2001451412 has 48 divisors (see below), whose sum is σ = 3953376000. Its totient is φ = 880948224.

The previous prime is 2001451399. The next prime is 2001451427. The reversal of 2001451412 is 2141541002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92264 + ... + 111872.

It is an arithmetic number, because the mean of its divisors is an integer number (82362000).

Almost surely, 2^2001451412 is an apocalyptic number.

It is an amenable number.

2001451412 is a deficient number, since it is larger than the sum of its proper divisors (1951924588).

2001451412 is a wasteful number, since it uses less digits than its factorization.

2001451412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19728 (or 19726 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2001451412 is about 44737.5838864818. The cubic root of 2001451412 is about 1260.2257536201.

Adding to 2001451412 its reverse (2141541002), we get a palindrome (4142992414).

The spelling of 2001451412 in words is "two billion, one million, four hundred fifty-one thousand, four hundred twelve".