120403572012 has 60 divisors (see below), whose sum is σ = 314800160136. Its totient is φ = 40129240320.

The previous prime is 120403572007. The next prime is 120403572067. The reversal of 120403572012 is 210275304021.

120403572012 is a `hidden beast` number, since 1 + 2 + 0 + 403 + 57 + 201 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3026812 + ... + 3066332.

Almost surely, 2^120403572012 is an apocalyptic number.

120403572012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120403572012 is an abundant number, since it is smaller than the sum of its proper divisors (194396588124).

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

120403572012 is a wasteful number, since it uses less digits than its factorization.

120403572012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48940 (or 48929 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 120403572012 its reverse (210275304021), we get a palindrome (330678876033).

The spelling of 120403572012 in words is "one hundred twenty billion, four hundred three million, five hundred seventy-two thousand, twelve".