12210030431 has 4 divisors (see below), whose sum is σ = 12212113200. Its totient is φ = 12207947664.

The previous prime is 12210030403. The next prime is 12210030433. The reversal of 12210030431 is 13403001221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12210030431 - 2⁶ = 12210030367 is a prime.

It is a super-2 number, since 2×12210030431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210030433) 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, 1032566 + ... + 1044323.

It is an arithmetic number, because the mean of its divisors is an integer number (3053028300).

Almost surely, 2^12210030431 is an apocalyptic number.

12210030431 is a deficient number, since it is larger than the sum of its proper divisors (2082769).

12210030431 is an equidigital number, since it uses as much as digits as its factorization.

12210030431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082768.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12210030431 its reverse (13403001221), we get a palindrome (25613031652).

The spelling of 12210030431 in words is "twelve billion, two hundred ten million, thirty thousand, four hundred thirty-one".