2001142234 has 16 divisors (see below), whose sum is σ = 3694416768. Its totient is φ = 791660592.

The previous prime is 2001142223. The next prime is 2001142237. The reversal of 2001142234 is 4322411002.

It is not an unprimeable number, because it can be changed into a prime (2001142237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5497462 + ... + 5497825.

It is an arithmetic number, because the mean of its divisors is an integer number (230901048).

Almost surely, 2^2001142234 is an apocalyptic number.

2001142234 is a deficient number, since it is larger than the sum of its proper divisors (1693274534).

2001142234 is a wasteful number, since it uses less digits than its factorization.

2001142234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10995309.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2001142234 is about 44734.1282914957. The cubic root of 2001142234 is about 1260.1608583579.

Adding to 2001142234 its reverse (4322411002), we get a palindrome (6323553236).

The spelling of 2001142234 in words is "two billion, one million, one hundred forty-two thousand, two hundred thirty-four".