12002063515 has 16 divisors (see below), whose sum is σ = 15929561088. Its totient is φ = 8623518336.

The previous prime is 12002063477. The next prime is 12002063519. The reversal of 12002063515 is 51536020021.

It is a cyclic number.

It is not a de Polignac number, because 12002063515 - 2¹⁷ = 12001932443 is a prime.

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 12002063515.

It is not an unprimeable number, because it can be changed into a prime (12002063519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2492827 + ... + 2497636.

It is an arithmetic number, because the mean of its divisors is an integer number (995597568).

Almost surely, 2^12002063515 is an apocalyptic number.

12002063515 is a deficient number, since it is larger than the sum of its proper divisors (3927497573).

12002063515 is a wasteful number, since it uses less digits than its factorization.

12002063515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990518.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 12002063515 its reverse (51536020021), we get a palindrome (63538083536).

The spelling of 12002063515 in words is "twelve billion, two million, sixty-three thousand, five hundred fifteen".