120010001100 has 144 divisors (see below), whose sum is σ = 391857419520. Its totient is φ = 28090092800.

The previous prime is 120010001081. The next prime is 120010001227. The reversal of 120010001100 is 1100010021.

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 47 ways as a sum of consecutive naturals, for example, 531312 + ... + 722711.

It is an arithmetic number, because the mean of its divisors is an integer number (2721232080).

Almost surely, 2^120010001100 is an apocalyptic number.

120010001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120010001100 is an abundant number, since it is smaller than the sum of its proper divisors (271847418420).

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

120010001100 is a wasteful number, since it uses less digits than its factorization.

120010001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254080 (or 1254073 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 120010001100 its reverse (1100010021), we get a palindrome (121110011121).

The spelling of 120010001100 in words is "one hundred twenty billion, ten million, one thousand, one hundred".