Search a number
-
+
1212234040230 = 2351011151347591
BaseRepresentation
bin10001101000111110110…
…001111000001110100110
311021212222200012202011120
4101220332301320032212
5124330123403241410
62324520450314410
7153403201220553
oct21507661701646
94255880182146
101212234040230
11428118570644
12176b32888a06
138a40c094775
144295b269a2a
15217edc8b570
hex11a3ec783a6

1212234040230 has 64 divisors (see below), whose sum is σ = 2940728426496. Its totient is φ = 319782800000.

The previous prime is 1212234040211. The next prime is 1212234040243. The reversal of 1212234040230 is 320404322121.

It is a happy number.

It is a super-2 number, since 2×12122340402302 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1212234040230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3313735 + ... + 3661325.

It is an arithmetic number, because the mean of its divisors is an integer number (45948881664).

Almost surely, 21212234040230 is an apocalyptic number.

1212234040230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212234040230 is an abundant number, since it is smaller than the sum of its proper divisors (1728494386266).

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

1212234040230 is a wasteful number, since it uses less digits than its factorization.

1212234040230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348853.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1212234040230 its reverse (320404322121), we get a palindrome (1532638362351).

The spelling of 1212234040230 in words is "one trillion, two hundred twelve billion, two hundred thirty-four million, forty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 101 202 303 505 606 1010 1151 1515 2302 3030 3453 5755 6906 11510 17265 34530 116251 232502 347591 348753 581255 695182 697506 1042773 1162510 1737955 1743765 2085546 3475910 3487530 5213865 10427730 35106691 70213382 105320073 175533455 210640146 351066910 400077241 526600365 800154482 1053200730 1200231723 2000386205 2400463446 4000772410 6001158615 12002317230 40407801341 80815602682 121223404023 202039006705 242446808046 404078013410 606117020115 1212234040230