102020012010012 has 48 divisors (see below), whose sum is σ = 240406446575232. Its totient is φ = 33669571252800.

The previous prime is 102020012009989. The next prime is 102020012010089. The reversal of 102020012010012 is 210010210020201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 102020012010012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112101603 + ... + 113008005.

It is an arithmetic number, because the mean of its divisors is an integer number (5008467636984).

Almost surely, 2^{102020012010012} is an apocalyptic number.

102020012010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102020012010012 is an abundant number, since it is smaller than the sum of its proper divisors (138386434565220).

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

102020012010012 is a wasteful number, since it uses less digits than its factorization.

102020012010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999378 (or 999376 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102020012010012 its reverse (210010210020201), we get a palindrome (312030222030213).

The spelling of 102020012010012 in words is "one hundred two trillion, twenty billion, twelve million, ten thousand, twelve".