131202134201420 has 12 divisors (see below), whose sum is σ = 275524481823024. Its totient is φ = 52480853680560.

The previous prime is 131202134201381. The next prime is 131202134201429. The reversal of 131202134201420 is 24102431202131.

It is a happy number.

It is a super-2 number, since 2×131202134201420² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131202134201420.

It is not an unprimeable number, because it can be changed into a prime (131202134201429) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3280053355016 + ... + 3280053355055.

It is an arithmetic number, because the mean of its divisors is an integer number (22960373485252).

Almost surely, 2^{131202134201420} is an apocalyptic number.

131202134201420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131202134201420 is an abundant number, since it is smaller than the sum of its proper divisors (144322347621604).

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

131202134201420 is a wasteful number, since it uses less digits than its factorization.

131202134201420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560106710080 (or 6560106710078 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131202134201420 its reverse (24102431202131), we get a palindrome (155304565403551).

The spelling of 131202134201420 in words is "one hundred thirty-one trillion, two hundred two billion, one hundred thirty-four million, two hundred one thousand, four hundred twenty".