312201222333442 has 8 divisors (see below), whose sum is σ = 504325051461756. Its totient is φ = 144092871846192.

The previous prime is 312201222333409. The next prime is 312201222333493. The reversal of 312201222333442 is 244333222102213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 256858350293601 + 55342872039841 = 16026801^2 + 7439279^2 .

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 = 312201222333398 and 312201222333407.

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, 6003869660233 + ... + 6003869660284.

Almost surely, 2^{312201222333442} is an apocalyptic number.

312201222333442 is a deficient number, since it is larger than the sum of its proper divisors (192123829128314).

312201222333442 is a wasteful number, since it uses less digits than its factorization.

312201222333442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12007739320532.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 312201222333442 its reverse (244333222102213), we get a palindrome (556534444435655).

The spelling of 312201222333442 in words is "three hundred twelve trillion, two hundred one billion, two hundred twenty-two million, three hundred thirty-three thousand, four hundred forty-two".