12343201651 has 12 divisors (see below), whose sum is σ = 13719774600. Its totient is φ = 11095003040.

The previous prime is 12343201639. The next prime is 12343201657. The reversal of 12343201651 is 15610234321.

It is a de Polignac number, because none of the positive numbers 2^k-12343201651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12343201657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562321 + ... + 583858.

It is an arithmetic number, because the mean of its divisors is an integer number (1143314550).

Almost surely, 2^12343201651 is an apocalyptic number.

12343201651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12343201651 is a deficient number, since it is larger than the sum of its proper divisors (1376572949).

12343201651 is a wasteful number, since it uses less digits than its factorization.

12343201651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146290 (or 1146279 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 12343201651 its reverse (15610234321), we get a palindrome (27953435972).

The spelling of 12343201651 in words is "twelve billion, three hundred forty-three million, two hundred one thousand, six hundred fifty-one".