12421877325 has 48 divisors (see below), whose sum is σ = 24127997376. Its totient is φ = 5559436800.

The previous prime is 12421877311. The next prime is 12421877341. The reversal of 12421877325 is 52377812421.

It is a happy number.

It is not a de Polignac number, because 12421877325 - 2⁴ = 12421877309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 568384 + ... + 589833.

It is an arithmetic number, because the mean of its divisors is an integer number (502666612).

Almost surely, 2^12421877325 is an apocalyptic number.

12421877325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12421877325 is a deficient number, since it is larger than the sum of its proper divisors (11706120051).

12421877325 is a wasteful number, since it uses less digits than its factorization.

12421877325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158254 (or 1158249 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The spelling of 12421877325 in words is "twelve billion, four hundred twenty-one million, eight hundred seventy-seven thousand, three hundred twenty-five".