12021021313230 has 32 divisors (see below), whose sum is σ = 28853795977344. Its totient is φ = 3205234036256.

The previous prime is 12021021313177. The next prime is 12021021313253. The reversal of 12021021313230 is 3231312012021.

It is a junction number, because it is equal to n+sod(n) for n = 12021021313197 and 12021021313206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22964832 + ... + 23482451.

It is an arithmetic number, because the mean of its divisors is an integer number (901681124292).

Almost surely, 2^{12021021313230} is an apocalyptic number.

12021021313230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021021313230 is an abundant number, since it is smaller than the sum of its proper divisors (16832774664114).

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

12021021313230 is a wasteful number, since it uses less digits than its factorization.

12021021313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46455920.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12021021313230 its reverse (3231312012021), we get a palindrome (15252333325251).

The spelling of 12021021313230 in words is "twelve trillion, twenty-one billion, twenty-one million, three hundred thirteen thousand, two hundred thirty".