12042292840 has 16 divisors (see below), whose sum is σ = 27095158980. Its totient is φ = 4816917120.

The previous prime is 12042292837. The next prime is 12042292883. The reversal of 12042292840 is 4829224021.

It can be written as a sum of positive squares in 2 ways, for example, as 11997697156 + 44595684 = 109534^2 + 6678^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12042292796 and 12042292805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150528621 + ... + 150528700.

Almost surely, 2^12042292840 is an apocalyptic number.

12042292840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12042292840 is an abundant number, since it is smaller than the sum of its proper divisors (15052866140).

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

12042292840 is a wasteful number, since it uses less digits than its factorization.

12042292840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301057332 (or 301057328 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 12042292840 in words is "twelve billion, forty-two million, two hundred ninety-two thousand, eight hundred forty".