12231148863520 has 24 divisors (see below), whose sum is σ = 28896089190444. Its totient is φ = 4892459545344.

The previous prime is 12231148863517. The next prime is 12231148863607. The reversal of 12231148863520 is 2536884113221.

It can be written as a sum of positive squares in 2 ways, for example, as 11919369573136 + 311779290384 = 3452444^2 + 558372^2 .

It is a super-3 number, since 3×12231148863520³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38222340039 + ... + 38222340358.

Almost surely, 2^{12231148863520} is an apocalyptic number.

12231148863520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231148863520 is an abundant number, since it is smaller than the sum of its proper divisors (16664940326924).

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

12231148863520 is an equidigital number, since it uses as much as digits as its factorization.

12231148863520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76444680412 (or 76444680404 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 12231148863520 in words is "twelve trillion, two hundred thirty-one billion, one hundred forty-eight million, eight hundred sixty-three thousand, five hundred twenty".