12212799 has 16 divisors (see below), whose sum is σ = 16946400. Its totient is φ = 7814016.

The previous prime is 12212797. The next prime is 12212831. The reversal of 12212799 is 99721221.

It is not a de Polignac number, because 12212799 - 2¹ = 12212797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19617 + ... + 20229.

It is an arithmetic number, because the mean of its divisors is an integer number (1059150).

Almost surely, 2^12212799 is an apocalyptic number.

12212799 is a deficient number, since it is larger than the sum of its proper divisors (4733601).

12212799 is a wasteful number, since it uses less digits than its factorization.

12212799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its digits is 4536, while the sum is 33.

The square root of 12212799 is about 3494.6815305547. The cubic root of 12212799 is about 230.2882271857.

It can be divided in two parts, 122 and 12799, that added together give a palindrome (12921).

The spelling of 12212799 in words is "twelve million, two hundred twelve thousand, seven hundred ninety-nine".