421320442112422 has 16 divisors (see below), whose sum is σ = 632219523598080. Its totient is φ = 210580604699968.

The previous prime is 421320442112399. The next prime is 421320442112429. The reversal of 421320442112422 is 224211244023124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421320442112429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226755354 + ... + 228605842.

It is an arithmetic number, because the mean of its divisors is an integer number (39513720224880).

Almost surely, 2^{421320442112422} is an apocalyptic number.

421320442112422 is a deficient number, since it is larger than the sum of its proper divisors (210899081485658).

421320442112422 is a wasteful number, since it uses less digits than its factorization.

421320442112422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893455.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 421320442112422 its reverse (224211244023124), we get a palindrome (645531686135546).

The spelling of 421320442112422 in words is "four hundred twenty-one trillion, three hundred twenty billion, four hundred forty-two million, one hundred twelve thousand, four hundred twenty-two".