12212333431 has 8 divisors (see below), whose sum is σ = 12556369728. Its totient is φ = 11870496000.

The previous prime is 12212333363. The next prime is 12212333449. The reversal of 12212333431 is 13433321221.

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 12212333431 - 2¹⁵ = 12212300663 is a prime.

It is a super-2 number, since 2×12212333431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212333396 and 12212333405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212333461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538450 + ... + 560671.

It is an arithmetic number, because the mean of its divisors is an integer number (1569546216).

Almost surely, 2^12212333431 is an apocalyptic number.

12212333431 is a deficient number, since it is larger than the sum of its proper divisors (344036297).

12212333431 is a wasteful number, since it uses less digits than its factorization.

12212333431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099433.

The product of its digits is 2592, while the sum is 25.

Adding to 12212333431 its reverse (13433321221), we get a palindrome (25645654652).

The spelling of 12212333431 in words is "twelve billion, two hundred twelve million, three hundred thirty-three thousand, four hundred thirty-one".