100012112212 has 6 divisors (see below), whose sum is σ = 175021196378. Its totient is φ = 50006056104.

The previous prime is 100012112197. The next prime is 100012112227. The reversal of 100012112212 is 212211210001.

It is an interprime number because it is at equal distance from previous prime (100012112197) and next prime (100012112227).

It can be written as a sum of positive squares in only one way, i.e., 83194172356 + 16817939856 = 288434^2 + 129684^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100012112192 and 100012112201.

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, 12501514023 + ... + 12501514030.

Almost surely, 2^100012112212 is an apocalyptic number.

It is an amenable number.

100012112212 is a deficient number, since it is larger than the sum of its proper divisors (75009084166).

100012112212 is a wasteful number, since it uses less digits than its factorization.

100012112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25003028057 (or 25003028055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100012112212 its reverse (212211210001), we get a palindrome (312223322213).

The spelling of 100012112212 in words is "one hundred billion, twelve million, one hundred twelve thousand, two hundred twelve".