220210012111212 has 36 divisors (see below), whose sum is σ = 556694042440536. Its totient is φ = 73396471342080.

The previous prime is 220210012111139. The next prime is 220210012111259. The reversal of 220210012111212 is 212111210012022.

220210012111212 is a `hidden beast` number, since 220 + 2 + 100 + 121 + 11 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×220210012111212² (a number of 29 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 285694293 + ... + 286464044.

It is an arithmetic number, because the mean of its divisors is an integer number (15463723401126).

Almost surely, 2^{220210012111212} is an apocalyptic number.

It is an amenable number.

220210012111212 is an abundant number, since it is smaller than the sum of its proper divisors (336484030329324).

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

220210012111212 is a wasteful number, since it uses less digits than its factorization.

220210012111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572169038 (or 572169033 counting only the distinct ones).

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

Adding to 220210012111212 its reverse (212111210012022), we get a palindrome (432321222123234).

The spelling of 220210012111212 in words is "two hundred twenty trillion, two hundred ten billion, twelve million, one hundred eleven thousand, two hundred twelve".