212012210112102 has 48 divisors (see below), whose sum is σ = 477812308139712. Its totient is φ = 70457229893160.

The previous prime is 212012210112091. The next prime is 212012210112113. The reversal of 212012210112102 is 201211012210212.

212012210112102 is a `hidden beast` number, since 21 + 201 + 221 + 0 + 11 + 210 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (212012210112091) and next prime (212012210112113).

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 23 ways as a sum of consecutive naturals, for example, 658810608 + ... + 659132339.

It is an arithmetic number, because the mean of its divisors is an integer number (9954423086244).

Almost surely, 2^{212012210112102} is an apocalyptic number.

212012210112102 is an abundant number, since it is smaller than the sum of its proper divisors (265800098027610).

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

212012210112102 is a wasteful number, since it uses less digits than its factorization.

212012210112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317943295 (or 1317943283 counting only the distinct ones).

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

Adding to 212012210112102 its reverse (201211012210212), we get a palindrome (413223222322314).

The spelling of 212012210112102 in words is "two hundred twelve trillion, twelve billion, two hundred ten million, one hundred twelve thousand, one hundred two".