102012012211020 has 96 divisors (see below), whose sum is σ = 298054709890560. Its totient is φ = 26020261301760.

The previous prime is 102012012210961. The next prime is 102012012211049. The reversal of 102012012211020 is 20112210210201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318290011 + ... + 318610349.

It is an arithmetic number, because the mean of its divisors is an integer number (3104736561360).

Almost surely, 2^{102012012211020} is an apocalyptic number.

102012012211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012012211020 is an abundant number, since it is smaller than the sum of its proper divisors (196042697679540).

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

102012012211020 is a wasteful number, since it uses less digits than its factorization.

102012012211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551135 (or 551133 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102012012211020 its reverse (20112210210201), we get a palindrome (122124222421221).

The spelling of 102012012211020 in words is "one hundred two trillion, twelve billion, twelve million, two hundred eleven thousand, twenty".