131212021122001 has 8 divisors (see below), whose sum is σ = 131583846132224. Its totient is φ = 130840657722000.

The previous prime is 131212021121983. The next prime is 131212021122043. The reversal of 131212021122001 is 100221120212131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131212021122001 - 2³⁵ = 131177661383633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131212021122001.

It is not an unprimeable number, because it can be changed into a prime (131212021122901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114833250 + ... + 115970251.

It is an arithmetic number, because the mean of its divisors is an integer number (16447980766528).

Almost surely, 2^{131212021122001} is an apocalyptic number.

It is an amenable number.

131212021122001 is a deficient number, since it is larger than the sum of its proper divisors (371825010223).

131212021122001 is a wasteful number, since it uses less digits than its factorization.

131212021122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230805111.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 131212021122001 its reverse (100221120212131), we get a palindrome (231433141334132).

The spelling of 131212021122001 in words is "one hundred thirty-one trillion, two hundred twelve billion, twenty-one million, one hundred twenty-two thousand, one".