12156524520052 has 96 divisors (see below), whose sum is σ = 23869574636544. Its totient is φ = 5370650745600.

The previous prime is 12156524520001. The next prime is 12156524520061. The reversal of 12156524520052 is 25002542565121.

It is a junction number, because it is equal to n+sod(n) for n = 12156524519987 and 12156524520014.

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, 121039168 + ... + 121139560.

It is an arithmetic number, because the mean of its divisors is an integer number (248641402464).

Almost surely, 2^{12156524520052} is an apocalyptic number.

It is an amenable number.

12156524520052 is a deficient number, since it is larger than the sum of its proper divisors (11713050116492).

12156524520052 is a wasteful number, since it uses less digits than its factorization.

12156524520052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101029 (or 101027 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 12156524520052 in words is "twelve trillion, one hundred fifty-six billion, five hundred twenty-four million, five hundred twenty thousand, fifty-two".