100122012212 has 6 divisors (see below), whose sum is σ = 175213521378. Its totient is φ = 50061006104.

The previous prime is 100122012209. The next prime is 100122012233. The reversal of 100122012212 is 212210221001.

It can be written as a sum of positive squares in only one way, i.e., 87471611536 + 12650400676 = 295756^2 + 112474^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515251523 + ... + 12515251530.

It is an arithmetic number, because the mean of its divisors is an integer number (29202253563).

Almost surely, 2^100122012212 is an apocalyptic number.

It is an amenable number.

100122012212 is a deficient number, since it is larger than the sum of its proper divisors (75091509166).

100122012212 is a wasteful number, since it uses less digits than its factorization.

100122012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25030503057 (or 25030503055 counting only the distinct ones).

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

Adding to 100122012212 its reverse (212210221001), we get a palindrome (312332233213).

The spelling of 100122012212 in words is "one hundred billion, one hundred twenty-two million, twelve thousand, two hundred twelve".