12642014233 has 6 divisors (see below), whose sum is σ = 12942853674. Its totient is φ = 12348012096.

The previous prime is 12642014227. The next prime is 12642014237. The reversal of 12642014233 is 33241024621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9687874329 + 2954139904 = 98427^2 + 54352^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12642014233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12642014237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3416760 + ... + 3420457.

It is an arithmetic number, because the mean of its divisors is an integer number (2157142279).

Almost surely, 2^12642014233 is an apocalyptic number.

It is an amenable number.

12642014233 is a deficient number, since it is larger than the sum of its proper divisors (300839441).

12642014233 is an frugal number, since it uses more digits than its factorization.

12642014233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837303 (or 6837260 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12642014233 its reverse (33241024621), we get a palindrome (45883038854).

The spelling of 12642014233 in words is "twelve billion, six hundred forty-two million, fourteen thousand, two hundred thirty-three".