212012020102102 has 64 divisors (see below), whose sum is σ = 357755670727488. Its totient is φ = 93420967680000.

The previous prime is 212012020102097. The next prime is 212012020102187. The reversal of 212012020102102 is 201201020210212.

It is a happy number.

212012020102102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17451952 + ... + 26992492.

It is an arithmetic number, because the mean of its divisors is an integer number (5589932355117).

Almost surely, 2^{212012020102102} is an apocalyptic number.

212012020102102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212012020102102 is a deficient number, since it is larger than the sum of its proper divisors (145743650625386).

212012020102102 is a wasteful number, since it uses less digits than its factorization.

212012020102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9540865.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212012020102102 its reverse (201201020210212), we get a palindrome (413213040312314).

It can be divided in two parts, 2120120 and 20102102, that added together give a palindrome (22222222).

The spelling of 212012020102102 in words is "two hundred twelve trillion, twelve billion, twenty million, one hundred two thousand, one hundred two".