312233232121330 has 64 divisors (see below), whose sum is σ = 619336113314688. Its totient is φ = 112603521945600.

The previous prime is 312233232121309. The next prime is 312233232121351. The reversal of 312233232121330 is 33121232332213.

It is an interprime number because it is at equal distance from previous prime (312233232121309) and next prime (312233232121351).

It is a junction number, because it is equal to n+sod(n) for n = 312233232121292 and 312233232121301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464399905 + ... + 465071755.

It is an arithmetic number, because the mean of its divisors is an integer number (9677126770542).

Almost surely, 2^{312233232121330} is an apocalyptic number.

312233232121330 is a deficient number, since it is larger than the sum of its proper divisors (307102881193358).

312233232121330 is a wasteful number, since it uses less digits than its factorization.

312233232121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755051.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 312233232121330 its reverse (33121232332213), we get a palindrome (345354464453543).

The spelling of 312233232121330 in words is "three hundred twelve trillion, two hundred thirty-three billion, two hundred thirty-two million, one hundred twenty-one thousand, three hundred thirty".