12021222012103 has 16 divisors (see below), whose sum is σ = 12364010925280. Its totient is φ = 11679377817600.

The previous prime is 12021222012097. The next prime is 12021222012113. The reversal of 12021222012103 is 30121022212021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021222012103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021222012113) 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, 521720263 + ... + 521743303.

It is an arithmetic number, because the mean of its divisors is an integer number (772750682830).

Almost surely, 2^{12021222012103} is an apocalyptic number.

12021222012103 is a deficient number, since it is larger than the sum of its proper divisors (342788913177).

12021222012103 is a wasteful number, since it uses less digits than its factorization.

12021222012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42898.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12021222012103 its reverse (30121022212021), we get a palindrome (42142244224124).

The spelling of 12021222012103 in words is "twelve trillion, twenty-one billion, two hundred twenty-two million, twelve thousand, one hundred three".