12231501213000 has 128 divisors (see below), whose sum is σ = 38253367152000. Its totient is φ = 3253948755200.

The previous prime is 12231501212951. The next prime is 12231501213007. The reversal of 12231501213000 is 31210513221.

It is not an unprimeable number, because it can be changed into a prime (12231501213007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3608355 + ... + 6122354.

It is an arithmetic number, because the mean of its divisors is an integer number (298854430875).

Almost surely, 2^{12231501213000} is an apocalyptic number.

12231501213000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231501213000 is an abundant number, since it is smaller than the sum of its proper divisors (26021865939000).

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

12231501213000 is a wasteful number, since it uses less digits than its factorization.

12231501213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9731152 (or 9731138 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 12231501213000 its reverse (31210513221), we get a palindrome (12262711726221).

The spelling of 12231501213000 in words is "twelve trillion, two hundred thirty-one billion, five hundred one million, two hundred thirteen thousand".