212111220112010 has 64 divisors (see below), whose sum is σ = 386525861366400. Its totient is φ = 83796515776512.

The previous prime is 212111220111971. The next prime is 212111220112061. The reversal of 212111220112010 is 10211022111212.

It is a self number, because there is not a number n which added to its sum of digits gives 212111220112010.

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, 9880793297 + ... + 9880814763.

It is an arithmetic number, because the mean of its divisors is an integer number (6039466583850).

Almost surely, 2^{212111220112010} is an apocalyptic number.

212111220112010 is a deficient number, since it is larger than the sum of its proper divisors (174414641254390).

212111220112010 is a wasteful number, since it uses less digits than its factorization.

212111220112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33575.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212111220112010 its reverse (10211022111212), we get a palindrome (222322242223222).

The spelling of 212111220112010 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred twenty million, one hundred twelve thousand, ten".