212210121012213 has 16 divisors (see below), whose sum is σ = 295581726406656. Its totient is φ = 135169834079280.

The previous prime is 212210121012181. The next prime is 212210121012221. The reversal of 212210121012213 is 312210121012212.

It is not a de Polignac number, because 212210121012213 - 2⁵ = 212210121012181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212210121012213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210121012233) 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, 1733596633 + ... + 1733719038.

It is an arithmetic number, because the mean of its divisors is an integer number (18473857900416).

Almost surely, 2^{212210121012213} is an apocalyptic number.

212210121012213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212210121012213 is a deficient number, since it is larger than the sum of its proper divisors (83371605394443).

212210121012213 is a wasteful number, since it uses less digits than its factorization.

212210121012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467316584.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 212210121012213 its reverse (312210121012212), we get a palindrome (524420242024425).

Subtracting 212210121012213 from its reverse (312210121012212), we obtain a palindrome (99999999999999).

The spelling of 212210121012213 in words is "two hundred twelve trillion, two hundred ten billion, one hundred twenty-one million, twelve thousand, two hundred thirteen".