120031020142 has 32 divisors (see below), whose sum is σ = 199998872928. Its totient is φ = 54019240000.

The previous prime is 120031020133. The next prime is 120031020143. The reversal of 120031020142 is 241020130021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031020143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45642 + ... + 492082.

It is an arithmetic number, because the mean of its divisors is an integer number (6249964779).

Almost surely, 2^120031020142 is an apocalyptic number.

120031020142 is a deficient number, since it is larger than the sum of its proper divisors (79967852786).

120031020142 is a wasteful number, since it uses less digits than its factorization.

120031020142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446577 (or 446555 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120031020142 its reverse (241020130021), we get a palindrome (361051150163).

The spelling of 120031020142 in words is "one hundred twenty billion, thirty-one million, twenty thousand, one hundred forty-two".