122102812 has 24 divisors (see below), whose sum is σ = 236339936. Its totient is φ = 54831168.

The previous prime is 122102807. The next prime is 122102861. The reversal of 122102812 is 218201221.

It is a self number, because there is not a number n which added to its sum of digits gives 122102812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29808 + ... + 33655.

Almost surely, 2^122102812 is an apocalyptic number.

It is an amenable number.

122102812 is a deficient number, since it is larger than the sum of its proper divisors (114237124).

122102812 is a wasteful number, since it uses less digits than its factorization.

122102812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63517 (or 63515 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 122102812 is about 11050.0141176380. The cubic root of 122102812 is about 496.1068480790.

The spelling of 122102812 in words is "one hundred twenty-two million, one hundred two thousand, eight hundred twelve".