102220100312 has 32 divisors (see below), whose sum is σ = 209137902480. Its totient is φ = 46452274560.

The previous prime is 102220100291. The next prime is 102220100369. The reversal of 102220100312 is 213001022201.

It is a happy number.

It is a congruent number.

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, 223178 + ... + 504230.

Almost surely, 2^102220100312 is an apocalyptic number.

It is an amenable number.

102220100312 is an abundant number, since it is smaller than the sum of its proper divisors (106917802168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102220100312 is a wasteful number, since it uses less digits than its factorization.

102220100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285203 (or 285199 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102220100312 its reverse (213001022201), we get a palindrome (315221122513).

The spelling of 102220100312 in words is "one hundred two billion, two hundred twenty million, one hundred thousand, three hundred twelve".