403012012 has 12 divisors (see below), whose sum is σ = 759522736. Its totient is φ = 186005520.

The previous prime is 403011989. The next prime is 403012019. The reversal of 403012012 is 210210304.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 403011983 and 403012001.

It is not an unprimeable number, because it can be changed into a prime (403012019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3875064 + ... + 3875167.

Almost surely, 2^403012012 is an apocalyptic number.

It is an amenable number.

403012012 is a deficient number, since it is larger than the sum of its proper divisors (356510724).

403012012 is a wasteful number, since it uses less digits than its factorization.

403012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750248 (or 7750246 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 403012012 is about 20075.1590778255. The cubic root of 403012012 is about 738.6510682402.

Adding to 403012012 its reverse (210210304), we get a palindrome (613222316).

The spelling of 403012012 in words is "four hundred three million, twelve thousand, twelve".