120123340100 has 36 divisors (see below), whose sum is σ = 260807671824. Its totient is φ = 48023525280.

The previous prime is 120123340097. The next prime is 120123340123. The reversal of 120123340100 is 1043321021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135002 + ... + 508401.

Almost surely, 2^120123340100 is an apocalyptic number.

120123340100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120123340100 is an abundant number, since it is smaller than the sum of its proper divisors (140684331724).

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

120123340100 is a wasteful number, since it uses less digits than its factorization.

120123340100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645284 (or 645277 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 120123340100 its reverse (1043321021), we get a palindrome (121166661121).

The spelling of 120123340100 in words is "one hundred twenty billion, one hundred twenty-three million, three hundred forty thousand, one hundred".