12002011929664 has 21 divisors (see below), whose sum is σ = 23816547420277. Its totient is φ = 6000992107264.

The previous prime is 12002011929659. The next prime is 12002011929679. The reversal of 12002011929664 is 46692911020021.

The square root of 12002011929664 is 3464392.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9927490227264 + 2074521702400 = 3150792^2 + 1440320^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12002011929664.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 27498612 + ... + 27931660.

Almost surely, 2^{12002011929664} is an apocalyptic number.

12002011929664 is the 3464392-nd square number.

It is an amenable number.

12002011929664 is a deficient number, since it is larger than the sum of its proper divisors (11814535490613).

12002011929664 is an frugal number, since it uses more digits than its factorization.

12002011929664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866110 (or 433051 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

Adding to 12002011929664 its reverse (46692911020021), we get a palindrome (58694922949685).

The spelling of 12002011929664 in words is "twelve trillion, two billion, eleven million, nine hundred twenty-nine thousand, six hundred sixty-four".