12404232552 has 32 divisors (see below), whose sum is σ = 31157563680. Its totient is φ = 4115146560.

The previous prime is 12404232539. The next prime is 12404232559. The reversal of 12404232552 is 25523240421.

It is not an unprimeable number, because it can be changed into a prime (12404232559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219683 + ... + 1229810.

It is an arithmetic number, because the mean of its divisors is an integer number (973673865).

Almost surely, 2^12404232552 is an apocalyptic number.

12404232552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12404232552 is an abundant number, since it is smaller than the sum of its proper divisors (18753331128).

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

12404232552 is a wasteful number, since it uses less digits than its factorization.

12404232552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449713 (or 2449709 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 12404232552 its reverse (25523240421), we get a palindrome (37927472973).

The spelling of 12404232552 in words is "twelve billion, four hundred four million, two hundred thirty-two thousand, five hundred fifty-two".