12022015660 has 48 divisors (see below), whose sum is σ = 25451074656. Its totient is φ = 4769920512.

The previous prime is 12022015651. The next prime is 12022015717. The reversal of 12022015660 is 6651022021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577419 + ... + 1585021.

It is an arithmetic number, because the mean of its divisors is an integer number (530230722).

Almost surely, 2^12022015660 is an apocalyptic number.

12022015660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022015660 is an abundant number, since it is smaller than the sum of its proper divisors (13429058996).

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

12022015660 is a wasteful number, since it uses less digits than its factorization.

12022015660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8242 (or 8240 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 12022015660 its reverse (6651022021), we get a palindrome (18673037681).

The spelling of 12022015660 in words is "twelve billion, twenty-two million, fifteen thousand, six hundred sixty".