102222312202012 has 24 divisors (see below), whose sum is σ = 180243909077904. Its totient is φ = 50725473030912.

The previous prime is 102222312201991. The next prime is 102222312202147. The reversal of 102222312202012 is 210202213222201.

It is a happy number.

It is a super-2 number, since 2×102222312202012² (a number of 29 digits) contains 22 as substring.

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, 177282573 + ... + 177858244.

It is an arithmetic number, because the mean of its divisors is an integer number (7510162878246).

Almost surely, 2^{102222312202012} is an apocalyptic number.

It is an amenable number.

102222312202012 is a deficient number, since it is larger than the sum of its proper divisors (78021596875892).

102222312202012 is a wasteful number, since it uses less digits than its factorization.

102222312202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355141365 (or 355141363 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 102222312202012 its reverse (210202213222201), we get a palindrome (312424525424213).

The spelling of 102222312202012 in words is "one hundred two trillion, two hundred twenty-two billion, three hundred twelve million, two hundred two thousand, twelve".