210403421212 has 24 divisors (see below), whose sum is σ = 390281359104. Its totient is φ = 98907674112.

The previous prime is 210403421203. The next prime is 210403421311. The reversal of 210403421212 is 212124304012.

It is a congruent number.

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, 1587388 + ... + 1714819.

It is an arithmetic number, because the mean of its divisors is an integer number (16261723296).

Almost surely, 2^210403421212 is an apocalyptic number.

It is an amenable number.

210403421212 is a deficient number, since it is larger than the sum of its proper divisors (179877937892).

210403421212 is a wasteful number, since it uses less digits than its factorization.

210403421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303165 (or 3303163 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 210403421212 its reverse (212124304012), we get a palindrome (422527725224).

The spelling of 210403421212 in words is "two hundred ten billion, four hundred three million, four hundred twenty-one thousand, two hundred twelve".