321212123131233 has 4 divisors (see below), whose sum is σ = 428282830841648. Its totient is φ = 214141415420820.

The previous prime is 321212123131187. The next prime is 321212123131279. The reversal of 321212123131233 is 332131321212123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (321212123131187) and next prime (321212123131279).

It is not a de Polignac number, because 321212123131233 - 2¹⁸ = 321212122869089 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 321212123131233.

It is not an unprimeable number, because it can be changed into a prime (321212123133233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53535353855203 + ... + 53535353855208.

It is an arithmetic number, because the mean of its divisors is an integer number (107070707710412).

Almost surely, 2^{321212123131233} is an apocalyptic number.

It is an amenable number.

321212123131233 is a deficient number, since it is larger than the sum of its proper divisors (107070707710415).

321212123131233 is a wasteful number, since it uses less digits than its factorization.

321212123131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107070707710414.

The product of its digits is 7776, while the sum is 30.

Adding to 321212123131233 its reverse (332131321212123), we get a palindrome (653343444343356).

The spelling of 321212123131233 in words is "three hundred twenty-one trillion, two hundred twelve billion, one hundred twenty-three million, one hundred thirty-one thousand, two hundred thirty-three".