12360121425 has 24 divisors (see below), whose sum is σ = 22706002080. Its totient is φ = 6592064400.

The previous prime is 12360121421. The next prime is 12360121447. The reversal of 12360121425 is 52412106321.

12360121425 is a `hidden beast` number, since 1 + 23 + 601 + 2 + 14 + 25 = 666.

It is not a de Polignac number, because 12360121425 - 2² = 12360121421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12360121421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9154971 + ... + 9156320.

It is an arithmetic number, because the mean of its divisors is an integer number (946083420).

Almost surely, 2^12360121425 is an apocalyptic number.

12360121425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12360121425 is a deficient number, since it is larger than the sum of its proper divisors (10345880655).

12360121425 is a wasteful number, since it uses less digits than its factorization.

12360121425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18311310 (or 18311299 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 12360121425 its reverse (52412106321), we get a palindrome (64772227746).

The spelling of 12360121425 in words is "twelve billion, three hundred sixty million, one hundred twenty-one thousand, four hundred twenty-five".