2003401012 has 12 divisors (see below), whose sum is σ = 3528283780. Its totient is φ = 995319936.

The previous prime is 2003400967. The next prime is 2003401027. The reversal of 2003401012 is 2101043002.

It can be written as a sum of positive squares in 2 ways, for example, as 1364120356 + 639280656 = 36934^2 + 25284^2 .

It is a super-2 number, since 2×2003401012² = 8027231229765248288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2003400983 and 2003401001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594437 + ... + 1595692.

Almost surely, 2^2003401012 is an apocalyptic number.

It is an amenable number.

2003401012 is a deficient number, since it is larger than the sum of its proper divisors (1524882768).

2003401012 is a wasteful number, since it uses less digits than its factorization.

2003401012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190290 (or 3190288 counting only the distinct ones).

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

The square root of 2003401012 is about 44759.3678686373. The cubic root of 2003401012 is about 1260.6348132296.

Adding to 2003401012 its reverse (2101043002), we get a palindrome (4104444014).

The spelling of 2003401012 in words is "two billion, three million, four hundred one thousand, twelve".