2001340012 has 24 divisors (see below), whose sum is σ = 4004777504. Its totient is φ = 857267712.

The previous prime is 2001340007. The next prime is 2001340021. The reversal of 2001340012 is 2100431002.

It is a junction number, because it is equal to n+sod(n) for n = 2001339974 and 2001340001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38758 + ... + 74194.

Almost surely, 2^2001340012 is an apocalyptic number.

It is an amenable number.

2001340012 is an abundant number, since it is smaller than the sum of its proper divisors (2003437492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001340012 is a wasteful number, since it uses less digits than its factorization.

2001340012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37465 (or 37463 counting only the distinct ones).

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

The square root of 2001340012 is about 44736.3388309772. The cubic root of 2001340012 is about 1260.2023719627.

Adding to 2001340012 its reverse (2100431002), we get a palindrome (4101771014).

It can be divided in two parts, 20013 and 40012, that added together give a square (60025 = 245²).

The spelling of 2001340012 in words is "two billion, one million, three hundred forty thousand, twelve".