12421552300 has 18 divisors (see below), whose sum is σ = 26954768708. Its totient is φ = 4968620880.

The previous prime is 12421552291. The next prime is 12421552307. The reversal of 12421552300 is 325512421.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12421552307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62107662 + ... + 62107861.

Almost surely, 2^12421552300 is an apocalyptic number.

12421552300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12421552300 is an abundant number, since it is smaller than the sum of its proper divisors (14533216408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12421552300 is a wasteful number, since it uses less digits than its factorization.

12421552300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124215537 (or 124215530 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 12421552300 in words is "twelve billion, four hundred twenty-one million, five hundred fifty-two thousand, three hundred".