102220112212 has 12 divisors (see below), whose sum is σ = 178892080416. Its totient is φ = 51108089240.

The previous prime is 102220112167. The next prime is 102220112213. The reversal of 102220112212 is 212211022201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220112213) 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, 371518 + ... + 585205.

It is an arithmetic number, because the mean of its divisors is an integer number (14907673368).

Almost surely, 2^102220112212 is an apocalyptic number.

It is an amenable number.

102220112212 is a deficient number, since it is larger than the sum of its proper divisors (76671968204).

102220112212 is a wasteful number, since it uses less digits than its factorization.

102220112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983438 (or 983436 counting only the distinct ones).

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

Adding to 102220112212 its reverse (212211022201), we get a palindrome (314431134413).

The spelling of 102220112212 in words is "one hundred two billion, two hundred twenty million, one hundred twelve thousand, two hundred twelve".