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12472204512 = 2531063122219
BaseRepresentation
bin10111001110110011…
…01011110011100000
31012012012122122011110
423213121223303200
5201020341021022
65421334343320
7621033663165
oct134731536340
935165578143
1012472204512
115320263939
122500abab40
131239c37191
1486461a06c
154cee4800c
hex2e766bce0

12472204512 has 48 divisors (see below), whose sum is σ = 32770604160. Its totient is φ = 4153456512.

The previous prime is 12472204499. The next prime is 12472204519. The reversal of 12472204512 is 21540227421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12472204512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472204519) 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, 40939 + ... + 163157.

It is an arithmetic number, because the mean of its divisors is an integer number (682720920).

Almost surely, 212472204512 is an apocalyptic number.

12472204512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12472204512 is an abundant number, since it is smaller than the sum of its proper divisors (20298399648).

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

12472204512 is a wasteful number, since it uses less digits than its factorization.

12472204512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123295 (or 123287 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The spelling of 12472204512 in words is "twelve billion, four hundred seventy-two million, two hundred four thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1063 2126 3189 4252 6378 8504 12756 17008 25512 34016 51024 102048 122219 244438 366657 488876 733314 977752 1466628 1955504 2933256 3911008 5866512 11733024 129918797 259837594 389756391 519675188 779512782 1039350376 1559025564 2078700752 3118051128 4157401504 6236102256 12472204512