421262012 has 12 divisors (see below), whose sum is σ = 737411976. Its totient is φ = 210572880.

The previous prime is 421261999. The next prime is 421262041. The reversal of 421262012 is 210262124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4562 + ... + 29382.

It is an arithmetic number, because the mean of its divisors is an integer number (61450998).

Almost surely, 2^421262012 is an apocalyptic number.

It is an amenable number.

421262012 is a deficient number, since it is larger than the sum of its proper divisors (316149964).

421262012 is a wasteful number, since it uses less digits than its factorization.

421262012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29068 (or 29066 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 421262012 is about 20524.6683773453. The cubic root of 421262012 is about 749.6365717735.

The spelling of 421262012 in words is "four hundred twenty-one million, two hundred sixty-two thousand, twelve".