21130230012300 has 54 divisors (see below), whose sum is σ = 66231532074708. Its totient is φ = 5634728003040.

The previous prime is 21130230012271. The next prime is 21130230012313. The reversal of 21130230012300 is 321003203112.

21130230012300 is a `hidden beast` number, since 2 + 1 + 130 + 2 + 300 + 1 + 230 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11739015774 + ... + 11739017573.

Almost surely, 2^{21130230012300} is an apocalyptic number.

21130230012300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21130230012300 is an abundant number, since it is smaller than the sum of its proper divisors (45101302062408).

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

21130230012300 is a wasteful number, since it uses less digits than its factorization.

21130230012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23478033367 (or 23478033357 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21130230012300 its reverse (321003203112), we get a palindrome (21451233215412).

The spelling of 21130230012300 in words is "twenty-one trillion, one hundred thirty billion, two hundred thirty million, twelve thousand, three hundred".