421672341122 has 6 divisors (see below), whose sum is σ = 632509889193. Its totient is φ = 210835711392.

The previous prime is 421672341067. The next prime is 421672341131. The reversal of 421672341122 is 221143276124.

It can be written as a sum of positive squares in 2 ways, for example, as 366762260881 + 54910080241 = 605609^2 + 234329^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459169.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 688754 + ... + 1147922.

Almost surely, 2^421672341122 is an apocalyptic number.

421672341122 is a deficient number, since it is larger than the sum of its proper divisors (210837548071).

421672341122 is an frugal number, since it uses more digits than its factorization.

421672341122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918340 (or 459171 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The spelling of 421672341122 in words is "four hundred twenty-one billion, six hundred seventy-two million, three hundred forty-one thousand, one hundred twenty-two".