2001215042 has 8 divisors (see below), whose sum is σ = 3002019600. Its totient is φ = 1000541844.

The previous prime is 2001214991. The next prime is 2001215057. The reversal of 2001215042 is 2405121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2001215042.

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, 27209 + ... + 68867.

It is an arithmetic number, because the mean of its divisors is an integer number (375252450).

Almost surely, 2^2001215042 is an apocalyptic number.

2001215042 is a deficient number, since it is larger than the sum of its proper divisors (1000804558).

2001215042 is a wasteful number, since it uses less digits than its factorization.

2001215042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65680.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2001215042 is about 44734.9420699301. The cubic root of 2001215042 is about 1260.1761410761.

Adding to 2001215042 its reverse (2405121002), we get a palindrome (4406336044).

The spelling of 2001215042 in words is "two billion, one million, two hundred fifteen thousand, forty-two".