32512123402451 has 96 divisors (see below), whose sum is σ = 44070828131520. Its totient is φ = 23830673771520.

The previous prime is 32512123402441. The next prime is 32512123402477. The reversal of 32512123402451 is 15420432121523.

It is a de Polignac number, because none of the positive numbers 2^k-32512123402451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32512123402441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2293940801 + ... + 2293954973.

It is an arithmetic number, because the mean of its divisors is an integer number (459071126370).

Almost surely, 2^{32512123402451} is an apocalyptic number.

32512123402451 is a deficient number, since it is larger than the sum of its proper divisors (11558704729069).

32512123402451 is a wasteful number, since it uses less digits than its factorization.

32512123402451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16306 (or 16277 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 32512123402451 its reverse (15420432121523), we get a palindrome (47932555523974).

The spelling of 32512123402451 in words is "thirty-two trillion, five hundred twelve billion, one hundred twenty-three million, four hundred two thousand, four hundred fifty-one".