12001032231000 has 64 divisors (see below), whose sum is σ = 37443220570080. Its totient is φ = 3200275260800.

The previous prime is 12001032230923. The next prime is 12001032231029. The reversal of 12001032231000 is 13223010021.

It is a super-2 number, since 2×12001032231000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2000169039 + ... + 2000175038.

Almost surely, 2^{12001032231000} is an apocalyptic number.

12001032231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001032231000 is an abundant number, since it is smaller than the sum of its proper divisors (25442188339080).

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

12001032231000 is a wasteful number, since it uses less digits than its factorization.

12001032231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000344101 (or 4000344087 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12001032231000 its reverse (13223010021), we get a palindrome (12014255241021).

The spelling of 12001032231000 in words is "twelve trillion, one billion, thirty-two million, two hundred thirty-one thousand".