212013012102 has 32 divisors (see below), whose sum is σ = 430060700160. Its totient is φ = 69665514240.

The previous prime is 212013012053. The next prime is 212013012103. The reversal of 212013012102 is 201210310212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013012103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3249174 + ... + 3313782.

It is an arithmetic number, because the mean of its divisors is an integer number (13439396880).

Almost surely, 2^212013012102 is an apocalyptic number.

212013012102 is an abundant number, since it is smaller than the sum of its proper divisors (218047688058).

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

212013012102 is a wasteful number, since it uses less digits than its factorization.

212013012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72388.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212013012102 its reverse (201210310212), we get a palindrome (413223322314).

It can be divided in two parts, 21201 and 3012102, that added together give a palindrome (3033303).

The spelling of 212013012102 in words is "two hundred twelve billion, thirteen million, twelve thousand, one hundred two".