20111232332012 has 12 divisors (see below), whose sum is σ = 35299091766120. Its totient is φ = 10025777541696.

The previous prime is 20111232331991. The next prime is 20111232332017. The reversal of 20111232332012 is 21023323211102.

It is not an unprimeable number, because it can be changed into a prime (20111232332017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7459654562 + ... + 7459657257.

It is an arithmetic number, because the mean of its divisors is an integer number (2941590980510).

Almost surely, 2^{20111232332012} is an apocalyptic number.

It is an amenable number.

20111232332012 is a deficient number, since it is larger than the sum of its proper divisors (15187859434108).

20111232332012 is a wasteful number, since it uses less digits than its factorization.

20111232332012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14919312160 (or 14919312158 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20111232332012 its reverse (21023323211102), we get a palindrome (41134555543114).

The spelling of 20111232332012 in words is "twenty trillion, one hundred eleven billion, two hundred thirty-two million, three hundred thirty-two thousand, twelve".