12220466052 has 48 divisors (see below), whose sum is σ = 29204082432. Its totient is φ = 3975459840.

The previous prime is 12220466029. The next prime is 12220466087. The reversal of 12220466052 is 25066402221.

It is a happy number.

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, 168402 + ... + 229782.

It is an arithmetic number, because the mean of its divisors is an integer number (608418384).

Almost surely, 2^12220466052 is an apocalyptic number.

12220466052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220466052 is an abundant number, since it is smaller than the sum of its proper divisors (16983616380).

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

12220466052 is a wasteful number, since it uses less digits than its factorization.

12220466052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61788 (or 61786 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 12220466052 its reverse (25066402221), we get a palindrome (37286868273).

The spelling of 12220466052 in words is "twelve billion, two hundred twenty million, four hundred sixty-six thousand, fifty-two".