12121332002 has 24 divisors (see below), whose sum is σ = 19716357780. Its totient is φ = 5586459840.

The previous prime is 12121331983. The next prime is 12121332023. The reversal of 12121332002 is 20023312121.

12121332002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 951167281 + 11170164721 = 30841^2 + 105689^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214352 + ... + 264932.

Almost surely, 2^12121332002 is an apocalyptic number.

12121332002 is a deficient number, since it is larger than the sum of its proper divisors (7595025778).

12121332002 is a wasteful number, since it uses less digits than its factorization.

12121332002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51318 (or 51305 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12121332002 its reverse (20023312121), we get a palindrome (32144644123).

The spelling of 12121332002 in words is "twelve billion, one hundred twenty-one million, three hundred thirty-two thousand, two".