12252321416 has 8 divisors (see below), whose sum is σ = 22973102670. Its totient is φ = 6126160704.

The previous prime is 12252321353. The next prime is 12252321443. The reversal of 12252321416 is 61412325221.

It can be written as a sum of positive squares in only one way, i.e., 9087808900 + 3164512516 = 95330^2 + 56254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765770081 + ... + 765770096.

Almost surely, 2^12252321416 is an apocalyptic number.

It is an amenable number.

12252321416 is a deficient number, since it is larger than the sum of its proper divisors (10720781254).

12252321416 is a wasteful number, since it uses less digits than its factorization.

12252321416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531540183 (or 1531540179 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

Adding to 12252321416 its reverse (61412325221), we get a palindrome (73664646637).

The spelling of 12252321416 in words is "twelve billion, two hundred fifty-two million, three hundred twenty-one thousand, four hundred sixteen".