12014350643 has 4 divisors (see below), whose sum is σ = 12130994928. Its totient is φ = 11897706360.

The previous prime is 12014350591. The next prime is 12014350651. The reversal of 12014350643 is 34605341021.

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 12014350643 - 2²⁸ = 11745915187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12014352643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58321988 + ... + 58322193.

It is an arithmetic number, because the mean of its divisors is an integer number (3032748732).

Almost surely, 2^12014350643 is an apocalyptic number.

12014350643 is a deficient number, since it is larger than the sum of its proper divisors (116644285).

12014350643 is a wasteful number, since it uses less digits than its factorization.

12014350643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116644284.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 12014350643 its reverse (34605341021), we get a palindrome (46619691664).

The spelling of 12014350643 in words is "twelve billion, fourteen million, three hundred fifty thousand, six hundred forty-three".