131202321222000 has 320 divisors, whose sum is σ = 483637919192064. Its totient is φ = 29975851699200.

The previous prime is 131202321221999. The next prime is 131202321222023. The reversal of 131202321222000 is 222123202131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94525014 + ... + 95902986.

Almost surely, 2^{131202321222000} is an apocalyptic number.

131202321222000 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 131202321222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241818959596032).

131202321222000 is an abundant number, since it is smaller than the sum of its proper divisors (352435597970064).

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

131202321222000 is a wasteful number, since it uses less digits than its factorization.

131202321222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380273 (or 1380257 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 131202321222000 its reverse (222123202131), we get a palindrome (131424444424131).

The spelling of 131202321222000 in words is "one hundred thirty-one trillion, two hundred two billion, three hundred twenty-one million, two hundred twenty-two thousand".