12650651645 has 8 divisors (see below), whose sum is σ = 15252730080. Its totient is φ = 10072555920.

The previous prime is 12650651641. The next prime is 12650651653. The reversal of 12650651645 is 54615605621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12650651645 - 2² = 12650651641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12650651641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5994515 + ... + 5996624.

It is an arithmetic number, because the mean of its divisors is an integer number (1906591260).

Almost surely, 2^12650651645 is an apocalyptic number.

It is an amenable number.

12650651645 is a deficient number, since it is larger than the sum of its proper divisors (2602078435).

12650651645 is a wasteful number, since it uses less digits than its factorization.

12650651645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11991355.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 12650651645 in words is "twelve billion, six hundred fifty million, six hundred fifty-one thousand, six hundred forty-five".