100220211212 has 24 divisors (see below), whose sum is σ = 193022685072. Its totient is φ = 45151500800.

The previous prime is 100220211199. The next prime is 100220211227. The reversal of 100220211212 is 212112022001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10073489 + ... + 10083432.

It is an arithmetic number, because the mean of its divisors is an integer number (8042611878).

Almost surely, 2^100220211212 is an apocalyptic number.

It is an amenable number.

100220211212 is a deficient number, since it is larger than the sum of its proper divisors (92802473860).

100220211212 is a wasteful number, since it uses less digits than its factorization.

100220211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20157049 (or 20157047 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100220211212 its reverse (212112022001), we get a palindrome (312332233213).

The spelling of 100220211212 in words is "one hundred billion, two hundred twenty million, two hundred eleven thousand, two hundred twelve".