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1212230001120 = 25352525479169
BaseRepresentation
bin10001101000111110100…
…010011110000111100000
311021212222101121112112220
4101220332202132013200
5124330121340013440
62324520223551040
7153403121665665
oct21507642360740
94255871545486
101212230001120
11428116261a36
12176b3145b480
138a40b2ac168
144295a8d7a6c
15217ed73e8d0
hex11a3e89e1e0

1212230001120 has 48 divisors (see below), whose sum is σ = 3818524505040. Its totient is φ = 323261333504.

The previous prime is 1212230001107. The next prime is 1212230001121. The reversal of 1212230001120 is 211000322121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1212230001120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212230001121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262739105 + ... + 1262740064.

It is an arithmetic number, because the mean of its divisors is an integer number (79552593855).

Almost surely, 21212230001120 is an apocalyptic number.

1212230001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212230001120 is an abundant number, since it is smaller than the sum of its proper divisors (2606294503920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212230001120 is a wasteful number, since it uses less digits than its factorization.

1212230001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525479187 (or 2525479179 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1212230001120 its reverse (211000322121), we get a palindrome (1423230323241).

The spelling of 1212230001120 in words is "one trillion, two hundred twelve billion, two hundred thirty million, one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 2525479169 5050958338 7576437507 10101916676 12627395845 15152875014 20203833352 25254791690 30305750028 37882187535 40407666704 50509583380 60611500056 75764375070 80815333408 101019166760 121223000112 151528750140 202038333520 242446000224 303057500280 404076667040 606115000560 1212230001120