100012210112020 has 24 divisors (see below), whose sum is σ = 222380090720424. Its totient is φ = 37651655571456.

The previous prime is 100012210111991. The next prime is 100012210112021. The reversal of 100012210112020 is 20211012210001.

It can be written as a sum of positive squares in 4 ways, for example, as 13285121055376 + 86727089056644 = 3644876^2 + 9312738^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012210112021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147076779237 + ... + 147076779916.

It is an arithmetic number, because the mean of its divisors is an integer number (9265837113351).

Almost surely, 2^{100012210112020} is an apocalyptic number.

100012210112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100012210112020 is an abundant number, since it is smaller than the sum of its proper divisors (122367880608404).

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

100012210112020 is a wasteful number, since it uses less digits than its factorization.

100012210112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294153559179 (or 294153559177 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100012210112020 its reverse (20211012210001), we get a palindrome (120223222322021).

The spelling of 100012210112020 in words is "one hundred trillion, twelve billion, two hundred ten million, one hundred twelve thousand, twenty".