102002202021012 has 96 divisors (see below), whose sum is σ = 243044474158080. Its totient is φ = 33288363498240.

The previous prime is 102002202020981. The next prime is 102002202021047. The reversal of 102002202021012 is 210120202200201.

It is a junction number, because it is equal to n+sod(n) for n = 102002202020982 and 102002202021000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87702937 + ... + 88858367.

It is an arithmetic number, because the mean of its divisors is an integer number (2531713272480).

Almost surely, 2^{102002202021012} is an apocalyptic number.

102002202021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102002202021012 is an abundant number, since it is smaller than the sum of its proper divisors (141042272137068).

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

102002202021012 is a wasteful number, since it uses less digits than its factorization.

102002202021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156253 (or 1156251 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102002202021012 its reverse (210120202200201), we get a palindrome (312122404221213).

The spelling of 102002202021012 in words is "one hundred two trillion, two billion, two hundred two million, twenty-one thousand, twelve".