102112012100212 has 6 divisors (see below), whose sum is σ = 178696021175378. Its totient is φ = 51056006050104.

The previous prime is 102112012100201. The next prime is 102112012100233. The reversal of 102112012100212 is 212001210211201.

It can be written as a sum of positive squares in only one way, i.e., 94888366816356 + 7223645283856 = 9741066^2 + 2687684^2 .

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, 12764001512523 + ... + 12764001512530.

Almost surely, 2^{102112012100212} is an apocalyptic number.

It is an amenable number.

102112012100212 is a deficient number, since it is larger than the sum of its proper divisors (76584009075166).

102112012100212 is a wasteful number, since it uses less digits than its factorization.

102112012100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25528003025057 (or 25528003025055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102112012100212 its reverse (212001210211201), we get a palindrome (314113222311413).

The spelling of 102112012100212 in words is "one hundred two trillion, one hundred twelve billion, twelve million, one hundred thousand, two hundred twelve".