212112222211212 has 48 divisors (see below), whose sum is σ = 524809226051712. Its totient is φ = 66447580376320.

The previous prime is 212112222211187. The next prime is 212112222211213.

212112222211212 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×212112222211212² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (212112222211213) 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, 761036214 + ... + 761314877.

It is an arithmetic number, because the mean of its divisors is an integer number (10933525542744).

Almost surely, 2^{212112222211212} is an apocalyptic number.

It is an amenable number.

212112222211212 is an abundant number, since it is smaller than the sum of its proper divisors (312697003840500).

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

212112222211212 is a wasteful number, since it uses less digits than its factorization.

212112222211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522351798 (or 1522351796 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

The spelling of 212112222211212 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty-two million, two hundred eleven thousand, two hundred twelve".