102012020020012 has 6 divisors (see below), whose sum is σ = 178521035035028. Its totient is φ = 51006010010004.

The previous prime is 102012020019967. The next prime is 102012020020021. The reversal of 102012020020012 is 210020020210201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102012020019974 and 102012020020001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12751502502498 + ... + 12751502502505.

Almost surely, 2^{102012020020012} is an apocalyptic number.

It is an amenable number.

102012020020012 is a deficient number, since it is larger than the sum of its proper divisors (76509015015016).

102012020020012 is a wasteful number, since it uses less digits than its factorization.

102012020020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25503005005007 (or 25503005005005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102012020020012 its reverse (210020020210201), we get a palindrome (312032040230213).

The spelling of 102012020020012 in words is "one hundred two trillion, twelve billion, twenty million, twenty thousand, twelve".