100122122012 has 12 divisors (see below), whose sum is σ = 191142233016. Its totient is φ = 45510055440.

The previous prime is 100122122003. The next prime is 100122122027. The reversal of 100122122012 is 210221221001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137751343 + ... + 1137751430.

It is an arithmetic number, because the mean of its divisors is an integer number (15928519418).

Almost surely, 2^100122122012 is an apocalyptic number.

It is an amenable number.

100122122012 is a deficient number, since it is larger than the sum of its proper divisors (91020111004).

100122122012 is a wasteful number, since it uses less digits than its factorization.

100122122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275502788 (or 2275502786 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100122122012 its reverse (210221221001), we get a palindrome (310343343013).

The spelling of 100122122012 in words is "one hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, twelve".