102210001012 has 72 divisors (see below), whose sum is σ = 209638558080. Its totient is φ = 43475402880.

The previous prime is 102210000967. The next prime is 102210001063. The reversal of 102210001012 is 210100012201.

It is a self number, because there is not a number n which added to its sum of digits gives 102210001012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14658687 + ... + 14665657.

It is an arithmetic number, because the mean of its divisors is an integer number (2911646640).

Almost surely, 2^102210001012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102210001012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104819279040).

102210001012 is an abundant number, since it is smaller than the sum of its proper divisors (107428557068).

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

102210001012 is a wasteful number, since it uses less digits than its factorization.

102210001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541 (or 7532 counting only the distinct ones).

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

Adding to 102210001012 its reverse (210100012201), we get a palindrome (312310013213).

The spelling of 102210001012 in words is "one hundred two billion, two hundred ten million, one thousand, twelve".