12915032534 has 8 divisors (see below), whose sum is σ = 19373048640. Its totient is φ = 6457349656.

The previous prime is 12915032489. The next prime is 12915032587. The reversal of 12915032534 is 43523051921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12915032534² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12915032494 and 12915032503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70052 + ... + 175320.

It is an arithmetic number, because the mean of its divisors is an integer number (2421631080).

Almost surely, 2^12915032534 is an apocalyptic number.

12915032534 is a deficient number, since it is larger than the sum of its proper divisors (6458016106).

12915032534 is a wasteful number, since it uses less digits than its factorization.

12915032534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166614.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 12915032534 in words is "twelve billion, nine hundred fifteen million, thirty-two thousand, five hundred thirty-four".