12220241452 has 12 divisors (see below), whose sum is σ = 21963407200. Its totient is φ = 5944982256.

The previous prime is 12220241443. The next prime is 12220241459. The reversal of 12220241452 is 25414202221.

It is a happy number.

It is a super-2 number, since 2×12220241452² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12220241459) 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, 41284452 + ... + 41284747.

Almost surely, 2^12220241452 is an apocalyptic number.

It is an amenable number.

12220241452 is a deficient number, since it is larger than the sum of its proper divisors (9743165748).

12220241452 is a wasteful number, since it uses less digits than its factorization.

12220241452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82569240 (or 82569238 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 12220241452 its reverse (25414202221), we get a palindrome (37634443673).

The spelling of 12220241452 in words is "twelve billion, two hundred twenty million, two hundred forty-one thousand, four hundred fifty-two".