12312193735 has 4 divisors (see below), whose sum is σ = 14774632488. Its totient is φ = 9849754984.

The previous prime is 12312193721. The next prime is 12312193759. The reversal of 12312193735 is 53739121321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53739121321 = 29 ⋅1853073149.

It is a cyclic number.

It is not a de Polignac number, because 12312193735 - 2¹¹ = 12312191687 is a prime.

It is a super-2 number, since 2×12312193735² (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 = 12312193694 and 12312193703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1231219369 + ... + 1231219378.

It is an arithmetic number, because the mean of its divisors is an integer number (3693658122).

Almost surely, 2^12312193735 is an apocalyptic number.

12312193735 is a deficient number, since it is larger than the sum of its proper divisors (2462438753).

12312193735 is an equidigital number, since it uses as much as digits as its factorization.

12312193735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462438752.

The product of its digits is 34020, while the sum is 37.

The spelling of 12312193735 in words is "twelve billion, three hundred twelve million, one hundred ninety-three thousand, seven hundred thirty-five".