12100431 has 8 divisors (see below), whose sum is σ = 18438784. Its totient is φ = 6914520.

The previous prime is 12100411. The next prime is 12100441. The reversal of 12100431 is 13400121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12100431 - 2⁷ = 12100303 is a prime.

It is a super-2 number, since 2×12100431² = 292840860771522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288085 + ... + 288126.

It is an arithmetic number, because the mean of its divisors is an integer number (2304848).

Almost surely, 2^12100431 is an apocalyptic number.

12100431 is a deficient number, since it is larger than the sum of its proper divisors (6338353).

12100431 is an equidigital number, since it uses as much as digits as its factorization.

12100431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576221.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12100431 is about 3478.5673775277. The cubic root of 12100431 is about 229.5797682663.

Adding to 12100431 its reverse (13400121), we get a palindrome (25500552).

The spelling of 12100431 in words is "twelve million, one hundred thousand, four hundred thirty-one".