131212222000321 has 32 divisors (see below), whose sum is σ = 168868489789440. Its totient is φ = 98943857726400.

The previous prime is 131212222000243. The next prime is 131212222000333. The reversal of 131212222000321 is 123000222212131.

It is a cyclic number.

It is not a de Polignac number, because 131212222000321 - 2¹⁵ = 131212221967553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131212222000292 and 131212222000301.

It is not an unprimeable number, because it can be changed into a prime (131212222000921) 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, 214498320 + ... + 215109166.

It is an arithmetic number, because the mean of its divisors is an integer number (5277140305920).

Almost surely, 2^{131212222000321} is an apocalyptic number.

131212222000321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131212222000321 is a deficient number, since it is larger than the sum of its proper divisors (37656267789119).

131212222000321 is a wasteful number, since it uses less digits than its factorization.

131212222000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700885.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 131212222000321 its reverse (123000222212131), we get a palindrome (254212444212452).

The spelling of 131212222000321 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred twenty-two million, three hundred twenty-one", and thus it is an aban number.