131201422213412 has 72 divisors (see below), whose sum is σ = 250180232524488. Its totient is φ = 60156776857600.

The previous prime is 131201422213409. The next prime is 131201422213423. The reversal of 131201422213412 is 214312224102131.

It can be written as a sum of positive squares in 12 ways, for example, as 52414211734756 + 78787210478656 = 7239766^2 + 8876216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34249568 + ... + 37887144.

It is an arithmetic number, because the mean of its divisors is an integer number (3474725451729).

Almost surely, 2^{131201422213412} is an apocalyptic number.

It is an amenable number.

131201422213412 is a deficient number, since it is larger than the sum of its proper divisors (118978810311076).

131201422213412 is a wasteful number, since it uses less digits than its factorization.

131201422213412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638417 (or 3638398 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 131201422213412 its reverse (214312224102131), we get a palindrome (345513646315543).

The spelling of 131201422213412 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty-two million, two hundred thirteen thousand, four hundred twelve".