12354320625 has 40 divisors (see below), whose sum is σ = 21478974528. Its totient is φ = 6302472000.

The previous prime is 12354320611. The next prime is 12354320639. The reversal of 12354320625 is 52602345321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12354320611) and next prime (12354320639).

It is not a de Polignac number, because 12354320625 - 2⁸ = 12354320369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 100114 + ... + 186363.

Almost surely, 2^12354320625 is an apocalyptic number.

12354320625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12354320625 is a deficient number, since it is larger than the sum of its proper divisors (9124653903).

12354320625 is an equidigital number, since it uses as much as digits as its factorization.

12354320625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286523 (or 286508 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 12354320625 its reverse (52602345321), we get a palindrome (64956665946).

The spelling of 12354320625 in words is "twelve billion, three hundred fifty-four million, three hundred twenty thousand, six hundred twenty-five".