131201421334012 has 48 divisors (see below), whose sum is σ = 242571857920000. Its totient is φ = 61920485930304.

The previous prime is 131201421333989. The next prime is 131201421334033. The reversal of 131201421334012 is 210433124102131.

It is a super-2 number, since 2×131201421334012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436025989 + ... + 436326787.

Almost surely, 2^{131201421334012} is an apocalyptic number.

It is an amenable number.

131201421334012 is a deficient number, since it is larger than the sum of its proper divisors (111370436585988).

131201421334012 is a wasteful number, since it uses less digits than its factorization.

131201421334012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321818 (or 321816 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131201421334012 its reverse (210433124102131), we get a palindrome (341634545436143).

The spelling of 131201421334012 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty-one million, three hundred thirty-four thousand, twelve".