131202220032 has 408 divisors, whose sum is σ = 415648160928. Its totient is φ = 39636172800.

The previous prime is 131202220031. The next prime is 131202220063. The reversal of 131202220032 is 230022202131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131202219987 and 131202220014.

It is not an unprimeable number, because it can be changed into a prime (131202220031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 544407432 + ... + 544407672.

Almost surely, 2^131202220032 is an apocalyptic number.

131202220032 is a gapful number since it is divisible by the number (12) 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 131202220032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207824080464).

131202220032 is an abundant number, since it is smaller than the sum of its proper divisors (284445940896).

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

131202220032 is an equidigital number, since it uses as much as digits as its factorization.

131202220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 131202220032 its reverse (230022202131), we get a palindrome (361224422163).

The spelling of 131202220032 in words is "one hundred thirty-one billion, two hundred two million, two hundred twenty thousand, thirty-two".