421053212 has 12 divisors (see below), whose sum is σ = 780186960. Its totient is φ = 198142656.

The previous prime is 421053209. The next prime is 421053221. The reversal of 421053212 is 212350124.

It is a congruent number.

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, 3095912 + ... + 3096047.

It is an arithmetic number, because the mean of its divisors is an integer number (65015580).

Almost surely, 2^421053212 is an apocalyptic number.

It is an amenable number.

421053212 is a deficient number, since it is larger than the sum of its proper divisors (359133748).

421053212 is a wasteful number, since it uses less digits than its factorization.

421053212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191980 (or 6191978 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 421053212 is about 20519.5811848098. The cubic root of 421053212 is about 749.5126979694.

The spelling of 421053212 in words is "four hundred twenty-one million, fifty-three thousand, two hundred twelve".