12351655045 has 8 divisors (see below), whose sum is σ = 14835504024. Its totient is φ = 9872312064.

The previous prime is 12351655009. The next prime is 12351655051. The reversal of 12351655045 is 54055615321.

It is a happy number.

It is a Cunningham number, because it is equal to 111138²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 12351655044 = 1^2 + 111138^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12351655045 - 2⁹ = 12351654533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12351654995 and 12351655013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120464 + ... + 1131433.

It is an arithmetic number, because the mean of its divisors is an integer number (1854438003).

Almost surely, 2^12351655045 is an apocalyptic number.

It is an amenable number.

12351655045 is a deficient number, since it is larger than the sum of its proper divisors (2483848979).

12351655045 is a wasteful number, since it uses less digits than its factorization.

12351655045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252999.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 12351655045 in words is "twelve billion, three hundred fifty-one million, six hundred fifty-five thousand, forty-five".