2001340442212 has 12 divisors (see below), whose sum is σ = 3511490282496. Its totient is φ = 998057504360.

The previous prime is 2001340442173. The next prime is 2001340442219. The reversal of 2001340442212 is 2122440431002.

It is a super-2 number, since 2×2001340442212² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001340442219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653177464 + ... + 653180527.

It is an arithmetic number, because the mean of its divisors is an integer number (292624190208).

Almost surely, 2^{2001340442212} is an apocalyptic number.

It is an amenable number.

2001340442212 is a deficient number, since it is larger than the sum of its proper divisors (1510149840284).

2001340442212 is a wasteful number, since it uses less digits than its factorization.

2001340442212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306358378 (or 1306358376 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2001340442212 its reverse (2122440431002), we get a palindrome (4123780873214).

The spelling of 2001340442212 in words is "two trillion, one billion, three hundred forty million, four hundred forty-two thousand, two hundred twelve".