2003001412 has 6 divisors (see below), whose sum is σ = 3505252478. Its totient is φ = 1001500704.

The previous prime is 2003001389. The next prime is 2003001449. The reversal of 2003001412 is 2141003002.

It can be written as a sum of positive squares in only one way, i.e., 1388754756 + 614246656 = 37266^2 + 24784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2003001392 and 2003001401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250375173 + ... + 250375180.

Almost surely, 2^2003001412 is an apocalyptic number.

It is an amenable number.

2003001412 is a deficient number, since it is larger than the sum of its proper divisors (1502251066).

2003001412 is a wasteful number, since it uses less digits than its factorization.

2003001412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500750357 (or 500750355 counting only the distinct ones).

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

The square root of 2003001412 is about 44754.9037760110. The cubic root of 2003001412 is about 1260.5509919070.

Adding to 2003001412 its reverse (2141003002), we get a palindrome (4144004414).

The spelling of 2003001412 in words is "two billion, three million, one thousand, four hundred twelve".