120004120400 has 60 divisors (see below), whose sum is σ = 289141097952. Its totient is φ = 47863259520.

The previous prime is 120004120391. The next prime is 120004120417. The reversal of 120004120400 is 4021400021.

It is a congruent number.

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, 293492 + ... + 571091.

Almost surely, 2^120004120400 is an apocalyptic number.

120004120400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120004120400 is an abundant number, since it is smaller than the sum of its proper divisors (169136977552).

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

120004120400 is a wasteful number, since it uses less digits than its factorization.

120004120400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864948 (or 864937 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 120004120400 its reverse (4021400021), we get a palindrome (124025520421).

The spelling of 120004120400 in words is "one hundred twenty billion, four million, one hundred twenty thousand, four hundred".