401201222042 has 16 divisors (see below), whose sum is σ = 623419545600. Its totient is φ = 193413949680.

The previous prime is 401201222021. The next prime is 401201222077. The reversal of 401201222042 is 240222102104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4768634 + ... + 4852037.

It is an arithmetic number, because the mean of its divisors is an integer number (38963721600).

Almost surely, 2^401201222042 is an apocalyptic number.

401201222042 is a deficient number, since it is larger than the sum of its proper divisors (222218323558).

401201222042 is a wasteful number, since it uses less digits than its factorization.

401201222042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9621421.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 401201222042 its reverse (240222102104), we get a palindrome (641423324146).

The spelling of 401201222042 in words is "four hundred one billion, two hundred one million, two hundred twenty-two thousand, forty-two".