210222001111212 has 72 divisors (see below), whose sum is σ = 551212636193856. Its totient is φ = 70056598022928.

The previous prime is 210222001111169. The next prime is 210222001111229. The reversal of 210222001111212 is 212111100222012.

210222001111212 is a `hidden beast` number, since 210 + 2 + 220 + 0 + 11 + 11 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22939218 + ... + 30767705.

It is an arithmetic number, because the mean of its divisors is an integer number (7655731058248).

Almost surely, 2^{210222001111212} is an apocalyptic number.

It is an amenable number.

210222001111212 is an abundant number, since it is smaller than the sum of its proper divisors (340990635082644).

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

210222001111212 is a wasteful number, since it uses less digits than its factorization.

210222001111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53710969 (or 53710955 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210222001111212 its reverse (212111100222012), we get a palindrome (422333101333224).

The spelling of 210222001111212 in words is "two hundred ten trillion, two hundred twenty-two billion, one million, one hundred eleven thousand, two hundred twelve".