2312221212133 has 8 divisors (see below), whose sum is σ = 2642865275840. Its totient is φ = 1981658835360.

The previous prime is 2312221212107. The next prime is 2312221212139. The reversal of 2312221212133 is 3312121222132.

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 2312221212133 - 2²⁹ = 2311684341221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312221212098 and 2312221212107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312221212139) 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, 20361063 + ... + 20474308.

It is an arithmetic number, because the mean of its divisors is an integer number (330358159480).

Almost surely, 2^{2312221212133} is an apocalyptic number.

It is an amenable number.

2312221212133 is a deficient number, since it is larger than the sum of its proper divisors (330644063707).

2312221212133 is an equidigital number, since it uses as much as digits as its factorization.

2312221212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40843467.

The product of its digits is 1728, while the sum is 25.

Adding to 2312221212133 its reverse (3312121222132), we get a palindrome (5624342434265).

Subtracting 2312221212133 from its reverse (3312121222132), we obtain a palindrome (999900009999).

The spelling of 2312221212133 in words is "two trillion, three hundred twelve billion, two hundred twenty-one million, two hundred twelve thousand, one hundred thirty-three".