212113311212 has 36 divisors (see below), whose sum is σ = 414926851080. Its totient is φ = 94780973760.

The previous prime is 212113311169. The next prime is 212113311227.

212113311212 is nontrivially palindromic in base 10.

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, 3685433 + ... + 3742544.

Almost surely, 2^212113311212 is an apocalyptic number.

212113311212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212113311212 is a deficient number, since it is larger than the sum of its proper divisors (202813539868).

212113311212 is a wasteful number, since it uses less digits than its factorization.

212113311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7428062 (or 7428049 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

It can be divided in two parts, 212113 and 311212, that added together give a palindrome (523325).

The spelling of 212113311212 in words is "two hundred twelve billion, one hundred thirteen million, three hundred eleven thousand, two hundred twelve".