102021010012 has 6 divisors (see below), whose sum is σ = 178536767528. Its totient is φ = 51010505004.

The previous prime is 102021009991. The next prime is 102021010051. The reversal of 102021010012 is 210010120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12752626248 + ... + 12752626255.

Almost surely, 2^102021010012 is an apocalyptic number.

It is an amenable number.

102021010012 is a deficient number, since it is larger than the sum of its proper divisors (76515757516).

102021010012 is a wasteful number, since it uses less digits than its factorization.

102021010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25505252507 (or 25505252505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102021010012 its reverse (210010120201), we get a palindrome (312031130213).

The spelling of 102021010012 in words is "one hundred two billion, twenty-one million, ten thousand, twelve".