212010102102 has 32 divisors (see below), whose sum is σ = 430065077760. Its totient is φ = 69663620160.

The previous prime is 212010102071. The next prime is 212010102107. The reversal of 212010102102 is 201201010212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010102107) 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, 669799 + ... + 934157.

It is an arithmetic number, because the mean of its divisors is an integer number (13439533680).

Almost surely, 2^212010102102 is an apocalyptic number.

212010102102 is an abundant number, since it is smaller than the sum of its proper divisors (218054975658).

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

212010102102 is a wasteful number, since it uses less digits than its factorization.

212010102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266268.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212010102102 its reverse (201201010212), we get a palindrome (413211112314).

It can be divided in two parts, 21201010210 and 2, that added together give a palindrome (21201010212).

The spelling of 212010102102 in words is "two hundred twelve billion, ten million, one hundred two thousand, one hundred two".