12220513024 has 144 divisors (see below), whose sum is σ = 26330644480. Its totient is φ = 5643509760.

The previous prime is 12220513021. The next prime is 12220513037. The reversal of 12220513024 is 42031502221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12220512986 and 12220513004.

It is not an unprimeable number, because it can be changed into a prime (12220513021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45094009 + ... + 45094279.

Almost surely, 2^12220513024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220513024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13165322240).

12220513024 is an abundant number, since it is smaller than the sum of its proper divisors (14110131456).

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

12220513024 is a wasteful number, since it uses less digits than its factorization.

12220513024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The spelling of 12220513024 in words is "twelve billion, two hundred twenty million, five hundred thirteen thousand, twenty-four".