102001013212 has 24 divisors (see below), whose sum is σ = 204258033504. Its totient is φ = 43659861312.

The previous prime is 102001013173. The next prime is 102001013227. The reversal of 102001013212 is 212310100201.

It is a junction number, because it is equal to n+sod(n) for n = 102001013192 and 102001013201.

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, 2263063 + ... + 2307694.

It is an arithmetic number, because the mean of its divisors is an integer number (8510751396).

Almost surely, 2^102001013212 is an apocalyptic number.

It is an amenable number.

102001013212 is an abundant number, since it is smaller than the sum of its proper divisors (102257020292).

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

102001013212 is a wasteful number, since it uses less digits than its factorization.

102001013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571565 (or 4571563 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102001013212 its reverse (212310100201), we get a palindrome (314311113413).

The spelling of 102001013212 in words is "one hundred two billion, one million, thirteen thousand, two hundred twelve".