12042204616 has 16 divisors (see below), whose sum is σ = 24315990300. Its totient is φ = 5557940544.

The previous prime is 12042204533. The next prime is 12042204619. The reversal of 12042204616 is 61640224021.

It can be written as a sum of positive squares in 2 ways, for example, as 9969223716 + 2072980900 = 99846^2 + 45530^2 .

It is a super-2 number, since 2×12042204616² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12042204619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57895111 + ... + 57895318.

Almost surely, 2^12042204616 is an apocalyptic number.

It is an amenable number.

12042204616 is an abundant number, since it is smaller than the sum of its proper divisors (12273785684).

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

12042204616 is a wasteful number, since it uses less digits than its factorization.

12042204616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115790448 (or 115790444 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 12042204616 its reverse (61640224021), we get a palindrome (73682428637).

The spelling of 12042204616 in words is "twelve billion, forty-two million, two hundred four thousand, six hundred sixteen".