101012000020200 has 144 divisors (see below), whose sum is σ = 348400398497580. Its totient is φ = 26208518906880.

The previous prime is 101012000020199. The next prime is 101012000020207. The reversal of 101012000020200 is 2020000210101.

It can be written as a sum of positive squares in 6 ways, for example, as 51775479288324 + 49236520731876 = 7195518^2 + 7016874^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101012000020207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 758281749 + ... + 758414948.

Almost surely, 2^{101012000020200} is an apocalyptic number.

101012000020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101012000020200 is an abundant number, since it is smaller than the sum of its proper divisors (247388398477380).

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

101012000020200 is a wasteful number, since it uses less digits than its factorization.

101012000020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516696756 (or 1516696744 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 101012000020200 its reverse (2020000210101), we get a palindrome (103032000230301).

The spelling of 101012000020200 in words is "one hundred one trillion, twelve billion, twenty thousand, two hundred".