13131223122000 has 160 divisors (see below), whose sum is σ = 43235810302464. Its totient is φ = 3427156032000.

The previous prime is 13131223121827. The next prime is 13131223122007. The reversal of 13131223122000 is 22132213131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131223122007) 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, 23000311 + ... + 23564310.

Almost surely, 2^{13131223122000} is an apocalyptic number.

13131223122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131223122000 is an abundant number, since it is smaller than the sum of its proper divisors (30104587180464).

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

13131223122000 is a wasteful number, since it uses less digits than its factorization.

13131223122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46564694 (or 46564678 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13131223122000 its reverse (22132213131), we get a palindrome (13153355335131).

The spelling of 13131223122000 in words is "thirteen trillion, one hundred thirty-one billion, two hundred twenty-three million, one hundred twenty-two thousand".