212012112012102 has 96 divisors (see below), whose sum is σ = 466408754398080. Its totient is φ = 69594738969600.

The previous prime is 212012112012091. The next prime is 212012112012131. The reversal of 212012112012102 is 201210211210212.

212012112012102 is a `hidden beast` number, since 21 + 20 + 1 + 211 + 201 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259640899 + ... + 260456177.

It is an arithmetic number, because the mean of its divisors is an integer number (4858424524980).

Almost surely, 2^{212012112012102} is an apocalyptic number.

212012112012102 is an abundant number, since it is smaller than the sum of its proper divisors (254396642385978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212012112012102 is a wasteful number, since it uses less digits than its factorization.

212012112012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816158 (or 816155 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212012112012102 its reverse (201210211210212), we get a palindrome (413222323222314).

The spelling of 212012112012102 in words is "two hundred twelve trillion, twelve billion, one hundred twelve million, twelve thousand, one hundred two".