12140401747 has 16 divisors (see below), whose sum is σ = 13259469600. Its totient is φ = 11071710720.

The previous prime is 12140401723. The next prime is 12140401771. The reversal of 12140401747 is 74710404121.

It is an interprime number because it is at equal distance from previous prime (12140401723) and next prime (12140401771).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12140401747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12140401547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152997 + ... + 218377.

It is an arithmetic number, because the mean of its divisors is an integer number (828716850).

Almost surely, 2^12140401747 is an apocalyptic number.

12140401747 is a deficient number, since it is larger than the sum of its proper divisors (1119067853).

12140401747 is a wasteful number, since it uses less digits than its factorization.

12140401747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65766.

The product of its (nonzero) digits is 6272, while the sum is 31.

Adding to 12140401747 its reverse (74710404121), we get a palindrome (86850805868).

The spelling of 12140401747 in words is "twelve billion, one hundred forty million, four hundred one thousand, seven hundred forty-seven".