12231144002000 has 160 divisors (see below), whose sum is σ = 36872610787584. Its totient is φ = 3812304576000.

The previous prime is 12231144001969. The next prime is 12231144002017. The reversal of 12231144002000 is 20044113221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39557507 + ... + 39865506.

Almost surely, 2^{12231144002000} is an apocalyptic number.

12231144002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231144002000 is an abundant number, since it is smaller than the sum of its proper divisors (24641466785584).

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

12231144002000 is a wasteful number, since it uses less digits than its factorization.

12231144002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79423054 (or 79423038 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12231144002000 its reverse (20044113221), we get a palindrome (12251188115221).

The spelling of 12231144002000 in words is "twelve trillion, two hundred thirty-one billion, one hundred forty-four million, two thousand".