12121414425 has 48 divisors (see below), whose sum is σ = 22282740480. Its totient is φ = 6460326720.

The previous prime is 12121414423. The next prime is 12121414447. The reversal of 12121414425 is 52441412121.

12121414425 is a `hidden beast` number, since 1 + 2 + 1 + 214 + 1 + 442 + 5 = 666.

It is not a de Polignac number, because 12121414425 - 2¹ = 12121414423 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (12121414423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1137472 + ... + 1148078.

It is an arithmetic number, because the mean of its divisors is an integer number (464223760).

Almost surely, 2^12121414425 is an apocalyptic number.

12121414425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12121414425 is a deficient number, since it is larger than the sum of its proper divisors (10161326055).

12121414425 is a wasteful number, since it uses less digits than its factorization.

12121414425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319 (or 12308 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

Adding to 12121414425 its reverse (52441412121), we get a palindrome (64562826546).

The spelling of 12121414425 in words is "twelve billion, one hundred twenty-one million, four hundred fourteen thousand, four hundred twenty-five".