421225410212 has 24 divisors (see below), whose sum is σ = 740003880000. Its totient is φ = 209797081056.

The previous prime is 421225410209. The next prime is 421225410311. The reversal of 421225410212 is 212014522124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083539 + ... + 1420037.

It is an arithmetic number, because the mean of its divisors is an integer number (30833495000).

Almost surely, 2^421225410212 is an apocalyptic number.

It is an amenable number.

421225410212 is a deficient number, since it is larger than the sum of its proper divisors (318778469788).

421225410212 is a wasteful number, since it uses less digits than its factorization.

421225410212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337715 (or 337713 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 421225410212 its reverse (212014522124), we get a palindrome (633239932336).

The spelling of 421225410212 in words is "four hundred twenty-one billion, two hundred twenty-five million, four hundred ten thousand, two hundred twelve".