12212121219976 has 64 divisors (see below), whose sum is σ = 24133712184000. Its totient is φ = 5777289872640.

The previous prime is 12212121219943. The next prime is 12212121219989. The reversal of 12212121219976 is 67991212121221.

12212121219976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1268259930 + ... + 1268269558.

It is an arithmetic number, because the mean of its divisors is an integer number (377089252875).

Almost surely, 2^{12212121219976} is an apocalyptic number.

It is an amenable number.

12212121219976 is a deficient number, since it is larger than the sum of its proper divisors (11921590964024).

12212121219976 is a wasteful number, since it uses less digits than its factorization.

12212121219976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19462 (or 19458 counting only the distinct ones).

The product of its digits is 108864, while the sum is 46.

The spelling of 12212121219976 in words is "twelve trillion, two hundred twelve billion, one hundred twenty-one million, two hundred nineteen thousand, nine hundred seventy-six".