1323212123231 has 16 divisors (see below), whose sum is σ = 1340801424000. Its totient is φ = 1305717504000.

The previous prime is 1323212123203. The next prime is 1323212123239.

1323212123231 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1323212123231 - 2¹⁸ = 1323211861087 is a prime.

It is a super-2 number, since 2×1323212123231² (a number of 25 digits) contains 22 as substring.

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 1323212123231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323212123239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41296925 + ... + 41328953.

It is an arithmetic number, because the mean of its divisors is an integer number (83800089000).

Almost surely, 2^{1323212123231} is an apocalyptic number.

1323212123231 is a deficient number, since it is larger than the sum of its proper divisors (17589300769).

1323212123231 is a wasteful number, since it uses less digits than its factorization.

1323212123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33490.

The product of its digits is 2592, while the sum is 26.

The spelling of 1323212123231 in words is "one trillion, three hundred twenty-three billion, two hundred twelve million, one hundred twenty-three thousand, two hundred thirty-one".