402102412 has 12 divisors (see below), whose sum is σ = 710647056. Its totient is φ = 199060400.

The previous prime is 402102403. The next prime is 402102427. The reversal of 402102412 is 214201204.

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, 497248 + ... + 498055.

It is an arithmetic number, because the mean of its divisors is an integer number (59220588).

Almost surely, 2^402102412 is an apocalyptic number.

It is an amenable number.

402102412 is a deficient number, since it is larger than the sum of its proper divisors (308544644).

402102412 is a wasteful number, since it uses less digits than its factorization.

402102412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995408 (or 995406 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 402102412 is about 20052.4914162804. The cubic root of 402102412 is about 738.0949366586.

Adding to 402102412 its reverse (214201204), we get a palindrome (616303616).

The spelling of 402102412 in words is "four hundred two million, one hundred two thousand, four hundred twelve".