312002222420042 has 24 divisors (see below), whose sum is σ = 587905014150048. Its totient is φ = 121559307435720.

The previous prime is 312002222420011. The next prime is 312002222420069. The reversal of 312002222420042 is 240024222200213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 312002222419993 and 312002222420020.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92090382728 + ... + 92090386115.

It is an arithmetic number, because the mean of its divisors is an integer number (24496042256252).

Almost surely, 2^{312002222420042} is an apocalyptic number.

312002222420042 is a deficient number, since it is larger than the sum of its proper divisors (275902791730006).

312002222420042 is a wasteful number, since it uses less digits than its factorization.

312002222420042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184180768874 (or 184180768863 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 312002222420042 its reverse (240024222200213), we get a palindrome (552026444620255).

The spelling of 312002222420042 in words is "three hundred twelve trillion, two billion, two hundred twenty-two million, four hundred twenty thousand, forty-two".