10402012 has 6 divisors (see below), whose sum is σ = 18203528. Its totient is φ = 5201004.

The previous prime is 10401973. The next prime is 10402031. The reversal of 10402012 is 21020401.

It is a self number, because there is not a number n which added to its sum of digits gives 10402012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300248 + ... + 1300255.

Almost surely, 2^10402012 is an apocalyptic number.

It is an amenable number.

10402012 is a deficient number, since it is larger than the sum of its proper divisors (7801516).

10402012 is a wasteful number, since it uses less digits than its factorization.

10402012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600507 (or 2600505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 10402012 is about 3225.2150315909. The cubic root of 10402012 is about 218.2926518743.

Adding to 10402012 its reverse (21020401), we get a palindrome (31422413).

The spelling of 10402012 in words is "ten million, four hundred two thousand, twelve".