421334212 has 12 divisors (see below), whose sum is σ = 794053036. Its totient is φ = 194461920.

The previous prime is 421334197. The next prime is 421334227. The reversal of 421334212 is 212433124.

It is an interprime number because it is at equal distance from previous prime (421334197) and next prime (421334227).

It can be written as a sum of positive squares in 2 ways, for example, as 199204996 + 222129216 = 14114^2 + 14904^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4051239 + ... + 4051342.

Almost surely, 2^421334212 is an apocalyptic number.

It is an amenable number.

421334212 is a deficient number, since it is larger than the sum of its proper divisors (372718824).

421334212 is a wasteful number, since it uses less digits than its factorization.

421334212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8102598 (or 8102596 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 421334212 is about 20526.4271611014. The cubic root of 421334212 is about 749.6793960073.

Adding to 421334212 its reverse (212433124), we get a palindrome (633767336).

The spelling of 421334212 in words is "four hundred twenty-one million, three hundred thirty-four thousand, two hundred twelve".