12456243516502 has 16 divisors (see below), whose sum is σ = 18761270561424. Its totient is φ = 6202511280000.

The previous prime is 12456243516487. The next prime is 12456243516511. The reversal of 12456243516502 is 20561534265421.

It is a super-2 number, since 2×12456243516502² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5141124 + ... + 7165447.

It is an arithmetic number, because the mean of its divisors is an integer number (1172579410089).

Almost surely, 2^{12456243516502} is an apocalyptic number.

12456243516502 is a deficient number, since it is larger than the sum of its proper divisors (6305027044922).

12456243516502 is a wasteful number, since it uses less digits than its factorization.

12456243516502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12308655.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 12456243516502 in words is "twelve trillion, four hundred fifty-six billion, two hundred forty-three million, five hundred sixteen thousand, five hundred two".