12300221121012 has 72 divisors (see below), whose sum is σ = 34835515714272. Its totient is φ = 3626600817600.

The previous prime is 12300221121007. The next prime is 12300221121037. The reversal of 12300221121012 is 21012112200321.

12300221121012 is a `hidden beast` number, since 1 + 230 + 0 + 2 + 211 + 210 + 12 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419730814 + ... + 419760117.

Almost surely, 2^{12300221121012} is an apocalyptic number.

12300221121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12300221121012 is an abundant number, since it is smaller than the sum of its proper divisors (22535294593260).

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

12300221121012 is a wasteful number, since it uses less digits than its factorization.

12300221121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839490989 (or 839490984 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12300221121012 its reverse (21012112200321), we get a palindrome (33312333321333).

The spelling of 12300221121012 in words is "twelve trillion, three hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, twelve".