12230313312 has 48 divisors (see below), whose sum is σ = 36690941952. Its totient is φ = 3494375040.

The previous prime is 12230313253. The next prime is 12230313317. The reversal of 12230313312 is 21331303221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230313317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9099264 + ... + 9100607.

It is an arithmetic number, because the mean of its divisors is an integer number (764394624).

Almost surely, 2^12230313312 is an apocalyptic number.

12230313312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12230313312 is an abundant number, since it is smaller than the sum of its proper divisors (24460628640).

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

12230313312 is a wasteful number, since it uses less digits than its factorization.

12230313312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18199891 (or 18199883 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12230313312 its reverse (21331303221), we get a palindrome (33561616533).

The spelling of 12230313312 in words is "twelve billion, two hundred thirty million, three hundred thirteen thousand, three hundred twelve".