212012221202102 has 32 divisors (see below), whose sum is σ = 319859374111200. Its totient is φ = 105393498497280.

The previous prime is 212012221202029. The next prime is 212012221202123. The reversal of 212012221202102 is 201202122210212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9365727128 + ... + 9365749764.

It is an arithmetic number, because the mean of its divisors is an integer number (9995605440975).

Almost surely, 2^{212012221202102} is an apocalyptic number.

212012221202102 is a deficient number, since it is larger than the sum of its proper divisors (107847152909098).

212012221202102 is a wasteful number, since it uses less digits than its factorization.

212012221202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45056.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212012221202102 its reverse (201202122210212), we get a palindrome (413214343412314).

The spelling of 212012221202102 in words is "two hundred twelve trillion, twelve billion, two hundred twenty-one million, two hundred two thousand, one hundred two".