12121202002 has 32 divisors (see below), whose sum is σ = 22412621952. Its totient is φ = 4787697024.

The previous prime is 12121201997. The next prime is 12121202039. The reversal of 12121202002 is 20020212121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65238 + ... + 168814.

It is an arithmetic number, because the mean of its divisors is an integer number (700394436).

Almost surely, 2^12121202002 is an apocalyptic number.

12121202002 is a deficient number, since it is larger than the sum of its proper divisors (10291419950).

12121202002 is a wasteful number, since it uses less digits than its factorization.

12121202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104242.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12121202002 its reverse (20020212121), we get a palindrome (32141414123).

The spelling of 12121202002 in words is "twelve billion, one hundred twenty-one million, two hundred two thousand, two".