6402105212 has 12 divisors (see below), whose sum is σ = 11260557000. Its totient is φ = 3184803216.

The previous prime is 6402105169. The next prime is 6402105239. The reversal of 6402105212 is 2125012046.

It is a happy number.

It is a super-2 number, since 2×6402105212² = 81973902291035129888, which contains 22 as substring.

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, 4061462 + ... + 4063037.

It is an arithmetic number, because the mean of its divisors is an integer number (938379750).

Almost surely, 2^6402105212 is an apocalyptic number.

It is an amenable number.

6402105212 is a deficient number, since it is larger than the sum of its proper divisors (4858451788).

6402105212 is a wasteful number, since it uses less digits than its factorization.

6402105212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124700 (or 8124698 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 6402105212 is about 80013.1564931668. The cubic root of 6402105212 is about 1856.8390846387.

Adding to 6402105212 its reverse (2125012046), we get a palindrome (8527117258).

The spelling of 6402105212 in words is "six billion, four hundred two million, one hundred five thousand, two hundred twelve".