12140734731 has 4 divisors (see below), whose sum is σ = 16187646312. Its totient is φ = 8093823152.

The previous prime is 12140734729. The next prime is 12140734747. The reversal of 12140734731 is 13743704121.

12140734731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12140734731 - 2¹ = 12140734729 is a prime.

It is a super-2 number, since 2×12140734731² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12140734692 and 12140734701.

It is not an unprimeable number, because it can be changed into a prime (12140734231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023455786 + ... + 2023455791.

It is an arithmetic number, because the mean of its divisors is an integer number (4046911578).

Almost surely, 2^12140734731 is an apocalyptic number.

12140734731 is a deficient number, since it is larger than the sum of its proper divisors (4046911581).

12140734731 is an equidigital number, since it uses as much as digits as its factorization.

12140734731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046911580.

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 12140734731 in words is "twelve billion, one hundred forty million, seven hundred thirty-four thousand, seven hundred thirty-one".