2003402012 has 12 divisors (see below), whose sum is σ = 3626848680. Its totient is φ = 967159536.

The previous prime is 2003402003. The next prime is 2003402017. The reversal of 2003402012 is 2102043002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003402017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8635238 + ... + 8635469.

It is an arithmetic number, because the mean of its divisors is an integer number (302237390).

Almost surely, 2^2003402012 is an apocalyptic number.

It is an amenable number.

2003402012 is a deficient number, since it is larger than the sum of its proper divisors (1623446668).

2003402012 is a wasteful number, since it uses less digits than its factorization.

2003402012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17270740 (or 17270738 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2003402012 is about 44759.3790394818. The cubic root of 2003402012 is about 1260.6350229787.

Adding to 2003402012 its reverse (2102043002), we get a palindrome (4105445014).

The spelling of 2003402012 in words is "two billion, three million, four hundred two thousand, twelve".