120305561242 has 16 divisors (see below), whose sum is σ = 181419289920. Its totient is φ = 59832950368.

The previous prime is 120305561213. The next prime is 120305561263. The reversal of 120305561242 is 242165503021.

It is a super-2 number, since 2×120305561242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377259 + ... + 618817.

It is an arithmetic number, because the mean of its divisors is an integer number (11338705620).

Almost surely, 2^120305561242 is an apocalyptic number.

120305561242 is a deficient number, since it is larger than the sum of its proper divisors (61113728678).

120305561242 is a wasteful number, since it uses less digits than its factorization.

120305561242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242885.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 120305561242 in words is "one hundred twenty billion, three hundred five million, five hundred sixty-one thousand, two hundred forty-two".