312012242113222 has 64 divisors (see below), whose sum is σ = 539918364585600. Its totient is φ = 132466093424640.

The previous prime is 312012242113183. The next prime is 312012242113259. The reversal of 312012242113222 is 222311242210213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 757817488 + ... + 758229100.

It is an arithmetic number, because the mean of its divisors is an integer number (8436224446650).

Almost surely, 2^{312012242113222} is an apocalyptic number.

312012242113222 is a deficient number, since it is larger than the sum of its proper divisors (227906122472378).

312012242113222 is a wasteful number, since it uses less digits than its factorization.

312012242113222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412961.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 312012242113222 its reverse (222311242210213), we get a palindrome (534323484323435).

The spelling of 312012242113222 in words is "three hundred twelve trillion, twelve billion, two hundred forty-two million, one hundred thirteen thousand, two hundred twenty-two".