102102220012212 has 96 divisors (see below), whose sum is σ = 303881711616000. Its totient is φ = 29041246387296.

The previous prime is 102102220012211. The next prime is 102102220012237. The reversal of 102102220012212 is 212210022201201.

It is a happy number.

102102220012212 is a `hidden beast` number, since 10 + 210 + 2 + 220 + 0 + 1 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102220012211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302647212 + ... + 302984387.

It is an arithmetic number, because the mean of its divisors is an integer number (3165434496000).

Almost surely, 2^{102102220012212} is an apocalyptic number.

102102220012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102102220012212 is an abundant number, since it is smaller than the sum of its proper divisors (201779491603788).

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

102102220012212 is a wasteful number, since it uses less digits than its factorization.

102102220012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605631842 (or 605631834 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102102220012212 its reverse (212210022201201), we get a palindrome (314312242213413).

The spelling of 102102220012212 in words is "one hundred two trillion, one hundred two billion, two hundred twenty million, twelve thousand, two hundred twelve".