312233420044442 has 8 divisors (see below), whose sum is σ = 504377063148756. Its totient is φ = 144107732328192.

The previous prime is 312233420044421. The next prime is 312233420044529. The reversal of 312233420044442 is 244440024332213.

It can be written as a sum of positive squares in 2 ways, for example, as 239145471420241 + 73087948624201 = 15464329^2 + 8549149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 312233420044396 and 312233420044405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6004488846983 + ... + 6004488847034.

Almost surely, 2^{312233420044442} is an apocalyptic number.

312233420044442 is a deficient number, since it is larger than the sum of its proper divisors (192143643104314).

312233420044442 is a wasteful number, since it uses less digits than its factorization.

312233420044442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12008977694032.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 312233420044442 its reverse (244440024332213), we get a palindrome (556673444376655).

The spelling of 312233420044442 in words is "three hundred twelve trillion, two hundred thirty-three billion, four hundred twenty million, forty-four thousand, four hundred forty-two".