312213100022 has 16 divisors (see below), whose sum is σ = 477606505680. Its totient is φ = 153025923072.

The previous prime is 312213099983. The next prime is 312213100027. The reversal of 312213100022 is 220001312213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312213100027) 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, 3706043 + ... + 3789350.

It is an arithmetic number, because the mean of its divisors is an integer number (29850406605).

Almost surely, 2^312213100022 is an apocalyptic number.

312213100022 is a deficient number, since it is larger than the sum of its proper divisors (165393405658).

312213100022 is a wasteful number, since it uses less digits than its factorization.

312213100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7495807.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312213100022 its reverse (220001312213), we get a palindrome (532214412235).

The spelling of 312213100022 in words is "three hundred twelve billion, two hundred thirteen million, one hundred thousand, twenty-two".