12013232000 has 512 divisors, whose sum is σ = 38188800000. Its totient is φ = 3725568000.

The previous prime is 12013231987. The next prime is 12013232071. The reversal of 12013232000 is 23231021.

It is a happy number.

It is a super-5 number, since 5×12013232000⁵ (a number of 52 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60367901 + ... + 60368099.

It is an arithmetic number, because the mean of its divisors is an integer number (74587500).

Almost surely, 2^12013232000 is an apocalyptic number.

12013232000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12013232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19094400000).

12013232000 is an abundant number, since it is smaller than the sum of its proper divisors (26175568000).

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

12013232000 is an equidigital number, since it uses as much as digits as its factorization.

12013232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12013232000 its reverse (23231021), we get a palindrome (12036463021).

The spelling of 12013232000 in words is "twelve billion, thirteen million, two hundred thirty-two thousand".