122112812 has 6 divisors (see below), whose sum is σ = 213697428. Its totient is φ = 61056404.

The previous prime is 122112811. The next prime is 122112817. The reversal of 122112812 is 218211221.

It is not an unprimeable number, because it can be changed into a prime (122112811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15264098 + ... + 15264105.

It is an arithmetic number, because the mean of its divisors is an integer number (35616238).

Almost surely, 2^122112812 is an apocalyptic number.

It is an amenable number.

122112812 is a deficient number, since it is larger than the sum of its proper divisors (91584616).

122112812 is a wasteful number, since it uses less digits than its factorization.

122112812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30528207 (or 30528205 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

The square root of 122112812 is about 11050.4665964836. The cubic root of 122112812 is about 496.1203911279.

The spelling of 122112812 in words is "one hundred twenty-two million, one hundred twelve thousand, eight hundred twelve".