102220101212 has 12 divisors (see below), whose sum is σ = 178888404240. Its totient is φ = 51109128576.

The previous prime is 102220101211. The next prime is 102220101253. The reversal of 102220101212 is 212101022201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220101211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59468 + ... + 456044.

It is an arithmetic number, because the mean of its divisors is an integer number (14907367020).

Almost surely, 2^102220101212 is an apocalyptic number.

It is an amenable number.

102220101212 is a deficient number, since it is larger than the sum of its proper divisors (76668303028).

102220101212 is a wasteful number, since it uses less digits than its factorization.

102220101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461020 (or 461018 counting only the distinct ones).

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

Adding to 102220101212 its reverse (212101022201), we get a palindrome (314321123413).

The spelling of 102220101212 in words is "one hundred two billion, two hundred twenty million, one hundred one thousand, two hundred twelve".