12124091731 has 8 divisors (see below), whose sum is σ = 12318025104. Its totient is φ = 11930540160.

The previous prime is 12124091713. The next prime is 12124091801. The reversal of 12124091731 is 13719042121.

It is a happy number.

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 12124091731 - 2¹⁷ = 12123960659 is a prime.

It is a super-2 number, since 2×12124091731² (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 = 12124091693 and 12124091702.

It is not an unprimeable number, because it can be changed into a prime (12124091831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31090 + ... + 158791.

It is an arithmetic number, because the mean of its divisors is an integer number (1539753138).

Almost surely, 2^12124091731 is an apocalyptic number.

12124091731 is a deficient number, since it is larger than the sum of its proper divisors (193933373).

12124091731 is an equidigital number, since it uses as much as digits as its factorization.

12124091731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190901.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 12124091731 in words is "twelve billion, one hundred twenty-four million, ninety-one thousand, seven hundred thirty-one".