12612523016436 has 96 divisors (see below), whose sum is σ = 35951709523968. Its totient is φ = 3362829930240.

The previous prime is 12612523016411. The next prime is 12612523016437. The reversal of 12612523016436 is 63461032521621.

It is a super-2 number, since 2×12612523016436² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12612523016437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79533240 + ... + 79691663.

It is an arithmetic number, because the mean of its divisors is an integer number (374496974208).

Almost surely, 2^{12612523016436} is an apocalyptic number.

It is an amenable number.

12612523016436 is an abundant number, since it is smaller than the sum of its proper divisors (23339186507532).

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

12612523016436 is a wasteful number, since it uses less digits than its factorization.

12612523016436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159224981 (or 159224979 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 12612523016436 in words is "twelve trillion, six hundred twelve billion, five hundred twenty-three million, sixteen thousand, four hundred thirty-six".