120312134442 has 48 divisors (see below), whose sum is σ = 261466425792. Its totient is φ = 39982662720.

The previous prime is 120312134387. The next prime is 120312134471. The reversal of 120312134442 is 244431213021.

120312134442 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 1 + 213 + 4 + 442 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9061893 + ... + 9075159.

It is an arithmetic number, because the mean of its divisors is an integer number (5447217204).

Almost surely, 2^120312134442 is an apocalyptic number.

120312134442 is an abundant number, since it is smaller than the sum of its proper divisors (141154291350).

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

120312134442 is a wasteful number, since it uses less digits than its factorization.

120312134442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14763 (or 14760 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 120312134442 its reverse (244431213021), we get a palindrome (364743347463).

The spelling of 120312134442 in words is "one hundred twenty billion, three hundred twelve million, one hundred thirty-four thousand, four hundred forty-two".