12282120251 has 8 divisors (see below), whose sum is σ = 12450914784. Its totient is φ = 12114251200.

The previous prime is 12282120247. The next prime is 12282120293. The reversal of 12282120251 is 15202128221.

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 12282120251 - 2² = 12282120247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12282120251.

It is not an unprimeable number, because it can be changed into a prime (12282120241) 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, 204626 + ... + 257751.

It is an arithmetic number, because the mean of its divisors is an integer number (1556364348).

Almost surely, 2^12282120251 is an apocalyptic number.

12282120251 is a deficient number, since it is larger than the sum of its proper divisors (168794533).

12282120251 is a wasteful number, since it uses less digits than its factorization.

12282120251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462741.

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 12282120251 its reverse (15202128221), we get a palindrome (27484248472).

The spelling of 12282120251 in words is "twelve billion, two hundred eighty-two million, one hundred twenty thousand, two hundred fifty-one".