12002105322512 has 80 divisors (see below), whose sum is σ = 23749737984960. Its totient is φ = 5874303638016.

The previous prime is 12002105322511. The next prime is 12002105322547. The reversal of 12002105322512 is 21522350120021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12002105322511) 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, 386289314 + ... + 386320382.

It is an arithmetic number, because the mean of its divisors is an integer number (296871724812).

Almost surely, 2^{12002105322512} is an apocalyptic number.

It is an amenable number.

12002105322512 is a deficient number, since it is larger than the sum of its proper divisors (11747632662448).

12002105322512 is a wasteful number, since it uses less digits than its factorization.

12002105322512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33400 (or 33394 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 12002105322512 its reverse (21522350120021), we get a palindrome (33524455442533).

The spelling of 12002105322512 in words is "twelve trillion, two billion, one hundred five million, three hundred twenty-two thousand, five hundred twelve".