101200000020000 has 240 divisors, whose sum is σ = 379378561649472. Its totient is φ = 23131428480000.

The previous prime is 101200000019891. The next prime is 101200000020029. The reversal of 101200000020000 is 20000002101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 120056191 + ... + 120896190.

Almost surely, 2^{101200000020000} is an apocalyptic number.

101200000020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200000020000 is an abundant number, since it is smaller than the sum of its proper divisors (278178561629472).

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

101200000020000 is an equidigital number, since it uses as much as digits as its factorization.

101200000020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240952421 (or 240952398 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 101200000020000 its reverse (20000002101), we get a palindrome (101220000022101).

The spelling of 101200000020000 in words is "one hundred one trillion, two hundred billion, twenty thousand".