12121222101003 has 16 divisors (see below), whose sum is σ = 17958879768960. Its totient is φ = 8080133572008.

The previous prime is 12121222100989. The next prime is 12121222101011. The reversal of 12121222101003 is 30010122212121.

It is not a de Polignac number, because 12121222101003 - 2⁴ = 12121222100987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12121222801003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18594825 + ... + 19235642.

It is an arithmetic number, because the mean of its divisors is an integer number (1122429985560).

Almost surely, 2^{12121222101003} is an apocalyptic number.

12121222101003 is a deficient number, since it is larger than the sum of its proper divisors (5837657667957).

12121222101003 is a wasteful number, since it uses less digits than its factorization.

12121222101003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37842343 (or 37842337 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12121222101003 its reverse (30010122212121), we get a palindrome (42131344313124).

The spelling of 12121222101003 in words is "twelve trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred one thousand, three".