12053120842 has 40 divisors (see below), whose sum is σ = 21407079456. Its totient is φ = 5088388536.

The previous prime is 12053120789. The next prime is 12053120861. The reversal of 12053120842 is 24802135021.

It is a self number, because there is not a number n which added to its sum of digits gives 12053120842.

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, 303003 + ... + 340465.

Almost surely, 2^12053120842 is an apocalyptic number.

12053120842 is a deficient number, since it is larger than the sum of its proper divisors (9353958614).

12053120842 is an frugal number, since it uses more digits than its factorization.

12053120842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37560 (or 37539 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 12053120842 its reverse (24802135021), we get a palindrome (36855255863).

The spelling of 12053120842 in words is "twelve billion, fifty-three million, one hundred twenty thousand, eight hundred forty-two".