12504435212 has 6 divisors (see below), whose sum is σ = 21882761628. Its totient is φ = 6252217604.

The previous prime is 12504435197. The next prime is 12504435227. The reversal of 12504435212 is 21253440521.

It is an interprime number because it is at equal distance from previous prime (12504435197) and next prime (12504435227).

It is a super-2 number, since 2×12504435212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563054398 + ... + 1563054405.

It is an arithmetic number, because the mean of its divisors is an integer number (3647126938).

Almost surely, 2^12504435212 is an apocalyptic number.

It is an amenable number.

12504435212 is a deficient number, since it is larger than the sum of its proper divisors (9378326416).

12504435212 is a wasteful number, since it uses less digits than its factorization.

12504435212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126108807 (or 3126108805 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 12504435212 its reverse (21253440521), we get a palindrome (33757875733).

The spelling of 12504435212 in words is "twelve billion, five hundred four million, four hundred thirty-five thousand, two hundred twelve".