131201022000 has 160 divisors (see below), whose sum is σ = 423175147200. Its totient is φ = 34971801600.

The previous prime is 131201021999. The next prime is 131201022041. The reversal of 131201022000 is 220102131.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24075276 + ... + 24080724.

It is an arithmetic number, because the mean of its divisors is an integer number (2644844670).

Almost surely, 2^131201022000 is an apocalyptic number.

131201022000 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 131201022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211587573600).

131201022000 is an abundant number, since it is smaller than the sum of its proper divisors (291974125200).

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

131201022000 is a wasteful number, since it uses less digits than its factorization.

131201022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488 (or 9472 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 131201022000 its reverse (220102131), we get a palindrome (131421124131).

The spelling of 131201022000 in words is "one hundred thirty-one billion, two hundred one million, twenty-two thousand".