312403404113222 has 16 divisors (see below), whose sum is σ = 489563545546800. Its totient is φ = 149322214322400.

The previous prime is 312403404113219. The next prime is 312403404113267. The reversal of 312403404113222 is 222311404304213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26664675272 + ... + 26664686987.

It is an arithmetic number, because the mean of its divisors is an integer number (30597721596675).

Almost surely, 2^{312403404113222} is an apocalyptic number.

312403404113222 is a deficient number, since it is larger than the sum of its proper divisors (177160141433578).

312403404113222 is a wasteful number, since it uses less digits than its factorization.

312403404113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53329362391.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 312403404113222 its reverse (222311404304213), we get a palindrome (534714808417435).

The spelling of 312403404113222 in words is "three hundred twelve trillion, four hundred three billion, four hundred four million, one hundred thirteen thousand, two hundred twenty-two".