133111023212 has 12 divisors (see below), whose sum is σ = 232946865480. Its totient is φ = 66554775936.

The previous prime is 133111023203. The next prime is 133111023259. The reversal of 133111023212 is 212320111331.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538364 + ... + 745692.

It is an arithmetic number, because the mean of its divisors is an integer number (19412238790).

Almost surely, 2^133111023212 is an apocalyptic number.

It is an amenable number.

133111023212 is a deficient number, since it is larger than the sum of its proper divisors (99835842268).

133111023212 is a wasteful number, since it uses less digits than its factorization.

133111023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367840 (or 367838 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 133111023212 its reverse (212320111331), we get a palindrome (345431134543).

The spelling of 133111023212 in words is "one hundred thirty-three billion, one hundred eleven million, twenty-three thousand, two hundred twelve".