312201222042342 has 32 divisors (see below), whose sum is σ = 651552943253760. Its totient is φ = 99542026469600.

The previous prime is 312201222042271. The next prime is 312201222042361. The reversal of 312201222042342 is 243240222102213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31762717 + ... + 40413767.

It is an arithmetic number, because the mean of its divisors is an integer number (20361029476680).

Almost surely, 2^{312201222042342} is an apocalyptic number.

312201222042342 is an abundant number, since it is smaller than the sum of its proper divisors (339351721211418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312201222042342 is a wasteful number, since it uses less digits than its factorization.

312201222042342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8912588.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 312201222042342 its reverse (243240222102213), we get a palindrome (555441444144555).

The spelling of 312201222042342 in words is "three hundred twelve trillion, two hundred one billion, two hundred twenty-two million, forty-two thousand, three hundred forty-two".