312221322033230 has 64 divisors (see below), whose sum is σ = 570872128337280. Its totient is φ = 122932441718784.

The previous prime is 312221322033221. The next prime is 312221322033301. The reversal of 312221322033230 is 32330223122213.

It is a super-2 number, since 2×312221322033230² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312221322033193 and 312221322033202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322984694 + ... + 323949926.

It is an arithmetic number, because the mean of its divisors is an integer number (8919877005270).

Almost surely, 2^{312221322033230} is an apocalyptic number.

312221322033230 is a deficient number, since it is larger than the sum of its proper divisors (258650806304050).

312221322033230 is a wasteful number, since it uses less digits than its factorization.

312221322033230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967293.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 312221322033230 its reverse (32330223122213), we get a palindrome (344551545155443).

The spelling of 312221322033230 in words is "three hundred twelve trillion, two hundred twenty-one billion, three hundred twenty-two million, thirty-three thousand, two hundred thirty".