212110221200012 has 12 divisors (see below), whose sum is σ = 371193323815776. Its totient is φ = 106054985824080.

The previous prime is 212110221199939. The next prime is 212110221200041. The reversal of 212110221200012 is 210002122011212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27315563 + ... + 34210530.

It is an arithmetic number, because the mean of its divisors is an integer number (30932776984648).

Almost surely, 2^{212110221200012} is an apocalyptic number.

It is an amenable number.

212110221200012 is a deficient number, since it is larger than the sum of its proper divisors (159083102615764).

212110221200012 is a wasteful number, since it uses less digits than its factorization.

212110221200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62387968 (or 62387966 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212110221200012 its reverse (210002122011212), we get a palindrome (422112343211224).

The spelling of 212110221200012 in words is "two hundred twelve trillion, one hundred ten billion, two hundred twenty-one million, two hundred thousand, twelve".