120100200000 has 672 divisors, whose sum is σ = 448027324416. Its totient is φ = 28128000000.

The previous prime is 120100199981. The next prime is 120100200019. The reversal of 120100200000 is 2001021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120100199981) and next prime (120100200019).

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 204599707 + ... + 204600293.

It is an arithmetic number, because the mean of its divisors is an integer number (666707328).

Almost surely, 2^120100200000 is an apocalyptic number.

120100200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120100200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224013662208).

120100200000 is an abundant number, since it is smaller than the sum of its proper divisors (327927124416).

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

120100200000 is an equidigital number, since it uses as much as digits as its factorization.

120100200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 639 counting only the distinct ones).

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

Adding to 120100200000 its reverse (2001021), we get a palindrome (120102201021).

The spelling of 120100200000 in words is "one hundred twenty billion, one hundred million, two hundred thousand".