20032112312 has 16 divisors (see below), whose sum is σ = 37688406840. Its totient is φ = 9981870496.

The previous prime is 20032112273. The next prime is 20032112339. The reversal of 20032112312 is 21321123002.

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, 4270718 + ... + 4275405.

Almost surely, 2^20032112312 is an apocalyptic number.

It is an amenable number.

20032112312 is a deficient number, since it is larger than the sum of its proper divisors (17656294528).

20032112312 is a wasteful number, since it uses less digits than its factorization.

20032112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8546422 (or 8546418 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20032112312 its reverse (21321123002), we get a palindrome (41353235314).

The spelling of 20032112312 in words is "twenty billion, thirty-two million, one hundred twelve thousand, three hundred twelve".