12300451900 has 36 divisors (see below), whose sum is σ = 29118526920. Its totient is φ = 4472891200.

The previous prime is 12300451883. The next prime is 12300451909. The reversal of 12300451900 is 915400321.

It is a super-2 number, since 2×12300451900² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300451909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5590015 + ... + 5592214.

It is an arithmetic number, because the mean of its divisors is an integer number (808847970).

Almost surely, 2^12300451900 is an apocalyptic number.

12300451900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12300451900 is an abundant number, since it is smaller than the sum of its proper divisors (16818075020).

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

12300451900 is a wasteful number, since it uses less digits than its factorization.

12300451900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11182254 (or 11182247 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 12300451900 in words is "twelve billion, three hundred million, four hundred fifty-one thousand, nine hundred".