421122320534312 has 128 divisors (see below), whose sum is σ = 808877171520000. Its totient is φ = 205504971060480.

The previous prime is 421122320534239. The next prime is 421122320534341. The reversal of 421122320534312 is 213435023221124.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39214290239 + ... + 39214300977.

It is an arithmetic number, because the mean of its divisors is an integer number (6319352902500).

Almost surely, 2^{421122320534312} is an apocalyptic number.

It is an amenable number.

421122320534312 is a deficient number, since it is larger than the sum of its proper divisors (387754850985688).

421122320534312 is a wasteful number, since it uses less digits than its factorization.

421122320534312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13479 (or 13475 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 421122320534312 its reverse (213435023221124), we get a palindrome (634557343755436).

The spelling of 421122320534312 in words is "four hundred twenty-one trillion, one hundred twenty-two billion, three hundred twenty million, five hundred thirty-four thousand, three hundred twelve".