212031102 has 16 divisors (see below), whose sum is σ = 429431040. Its totient is φ = 69782232.

The previous prime is 212031097. The next prime is 212031119. The reversal of 212031102 is 201130212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223188 + ... + 224135.

It is an arithmetic number, because the mean of its divisors is an integer number (26839440).

Almost surely, 2^212031102 is an apocalyptic number.

212031102 is an abundant number, since it is smaller than the sum of its proper divisors (217399938).

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

212031102 is a wasteful number, since it uses less digits than its factorization.

212031102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447407.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 212031102 is about 14561.2877864563. The cubic root of 212031102 is about 596.3023536079.

Adding to 212031102 its reverse (201130212), we get a palindrome (413161314).

The spelling of 212031102 in words is "two hundred twelve million, thirty-one thousand, one hundred two".