2231212333123 has 24 divisors (see below), whose sum is σ = 2301449839920. Its totient is φ = 2161826979840.

The previous prime is 2231212333081. The next prime is 2231212333169. The reversal of 2231212333123 is 3213332121322.

It is a happy number.

2231212333123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2231212333123 - 2⁹ = 2231212332611 is a prime.

It is a super-3 number, since 3×2231212333123³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231212333091 and 2231212333100.

It is not an unprimeable number, because it can be changed into a prime (2231212331123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1248579036 + ... + 1248580822.

It is an arithmetic number, because the mean of its divisors is an integer number (95893743330).

Almost surely, 2^{2231212333123} is an apocalyptic number.

2231212333123 is a deficient number, since it is larger than the sum of its proper divisors (70237506797).

2231212333123 is an equidigital number, since it uses as much as digits as its factorization.

2231212333123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995 (or 2796 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

Adding to 2231212333123 its reverse (3213332121322), we get a palindrome (5444544454445).

The spelling of 2231212333123 in words is "two trillion, two hundred thirty-one billion, two hundred twelve million, three hundred thirty-three thousand, one hundred twenty-three".