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1212002314040 = 235731139631603
BaseRepresentation
bin10001101000110000111…
…101111010011100111000
311021212101112011211121002
4101220300331322130320
5124324140043022130
62324441451504132
7153364355455160
oct21506075723470
94255345154532
101212002314040
114280097892a1
12176a89158048
138a3a307c88b
14429385895a0
15217d8766b45
hex11a30f7a738

1212002314040 has 64 divisors (see below), whose sum is σ = 3217112156160. Its totient is φ = 402139013760.

The previous prime is 1212002314013. The next prime is 1212002314057. The reversal of 1212002314040 is 404132002121.

It is a super-2 number, since 2×12120023140402 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69807122 + ... + 69824481.

It is an arithmetic number, because the mean of its divisors is an integer number (50267377440).

Almost surely, 21212002314040 is an apocalyptic number.

1212002314040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212002314040 is an abundant number, since it is smaller than the sum of its proper divisors (2005109842120).

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

1212002314040 is a wasteful number, since it uses less digits than its factorization.

1212002314040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139631652 (or 139631648 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1212002314040 its reverse (404132002121), we get a palindrome (1616134316161).

The spelling of 1212002314040 in words is "one trillion, two hundred twelve billion, two million, three hundred fourteen thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 70 124 140 155 217 248 280 310 434 620 868 1085 1240 1736 2170 4340 8680 139631603 279263206 558526412 698158015 977421221 1117052824 1396316030 1954842442 2792632060 3909684884 4328579693 4887106105 5585264120 7819369768 8657159386 9774212210 17314318772 19548424420 21642898465 30300057851 34628637544 39096848840 43285796930 60600115702 86571593860 121200231404 151500289255 173143187720 242400462808 303000578510 606001157020 1212002314040