131202201212142 has 64 divisors (see below), whose sum is σ = 271865373373440. Its totient is φ = 42179438520576.

The previous prime is 131202201212107. The next prime is 131202201212143. The reversal of 131202201212142 is 241212102202131.

It is a super-2 number, since 2×131202201212142² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131202201212143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8380698 + ... + 18238434.

It is an arithmetic number, because the mean of its divisors is an integer number (4247896458960).

Almost surely, 2^{131202201212142} is an apocalyptic number.

131202201212142 is an abundant number, since it is smaller than the sum of its proper divisors (140663172161298).

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

131202201212142 is a wasteful number, since it uses less digits than its factorization.

131202201212142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9858305.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 131202201212142 its reverse (241212102202131), we get a palindrome (372414303414273).

The spelling of 131202201212142 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred one million, two hundred twelve thousand, one hundred forty-two".