131002120122000 has 320 divisors, whose sum is σ = 447407577796608. Its totient is φ = 32863334400000.

The previous prime is 131002120121993. The next prime is 131002120122001. The reversal of 131002120122000 is 221021200131.

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

It is not an unprimeable number, because it can be changed into a prime (131002120122001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 215017800 + ... + 215626200.

Almost surely, 2^{131002120122000} is an apocalyptic number.

131002120122000 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 131002120122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223703788898304).

131002120122000 is an abundant number, since it is smaller than the sum of its proper divisors (316405457674608).

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

131002120122000 is a wasteful number, since it uses less digits than its factorization.

131002120122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610555 (or 610539 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 131002120122000 its reverse (221021200131), we get a palindrome (131223141322131).

The spelling of 131002120122000 in words is "one hundred thirty-one trillion, two billion, one hundred twenty million, one hundred twenty-two thousand".