312212452249 has 16 divisors (see below), whose sum is σ = 318049655488. Its totient is φ = 306410936832.

The previous prime is 312212452217. The next prime is 312212452259. The reversal of 312212452249 is 942254212213.

It is a cyclic number.

It is not a de Polignac number, because 312212452249 - 2⁵ = 312212452217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312212452259) 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, 77527774 + ... + 77531800.

It is an arithmetic number, because the mean of its divisors is an integer number (19878103468).

Almost surely, 2^312212452249 is an apocalyptic number.

It is an amenable number.

312212452249 is a deficient number, since it is larger than the sum of its proper divisors (5837203239).

312212452249 is a wasteful number, since it uses less digits than its factorization.

312212452249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104.

The product of its digits is 69120, while the sum is 37.

The spelling of 312212452249 in words is "three hundred twelve billion, two hundred twelve million, four hundred fifty-two thousand, two hundred forty-nine".