12321613772251 has 8 divisors (see below), whose sum is σ = 14093283674624. Its totient is φ = 10552803710760.

The previous prime is 12321613772249. The next prime is 12321613772291. The reversal of 12321613772251 is 15227731612321.

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 12321613772251 - 2¹ = 12321613772249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12321613772198 and 12321613772207.

It is not an unprimeable number, because it can be changed into a prime (12321613772291) 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, 714950985 + ... + 714968218.

It is an arithmetic number, because the mean of its divisors is an integer number (1761660459328).

Almost surely, 2^{12321613772251} is an apocalyptic number.

12321613772251 is a deficient number, since it is larger than the sum of its proper divisors (1771669902373).

12321613772251 is a wasteful number, since it uses less digits than its factorization.

12321613772251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429920441.

The product of its digits is 211680, while the sum is 43.

The spelling of 12321613772251 in words is "twelve trillion, three hundred twenty-one billion, six hundred thirteen million, seven hundred seventy-two thousand, two hundred fifty-one".