212102202112 has 36 divisors (see below), whose sum is σ = 423486732760. Its totient is φ = 106023333888.

The previous prime is 212102202107. The next prime is 212102202119. The reversal of 212102202112 is 211202201212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (212102202119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889063 + ... + 1102105.

Almost surely, 2^212102202112 is an apocalyptic number.

It is an amenable number.

212102202112 is a deficient number, since it is larger than the sum of its proper divisors (211384530648).

212102202112 is an equidigital number, since it uses as much as digits as its factorization.

212102202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216948 (or 216934 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212102202112 its reverse (211202201212), we get a palindrome (423304403324).

The spelling of 212102202112 in words is "two hundred twelve billion, one hundred two million, two hundred two thousand, one hundred twelve".