121212223001303 has 16 divisors (see below), whose sum is σ = 138550502388480. Its totient is φ = 103879506692736.

The previous prime is 121212223001297. The next prime is 121212223001323. The reversal of 121212223001303 is 303100322212121.

It is a cyclic number.

It is not a de Polignac number, because 121212223001303 - 2⁶ = 121212223001239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121212223001323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2226378800 + ... + 2226433242.

It is an arithmetic number, because the mean of its divisors is an integer number (8659406399280).

Almost surely, 2^{121212223001303} is an apocalyptic number.

121212223001303 is a deficient number, since it is larger than the sum of its proper divisors (17338279387177).

121212223001303 is an equidigital number, since it uses as much as digits as its factorization.

121212223001303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99686.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121212223001303 its reverse (303100322212121), we get a palindrome (424312545213424).

The spelling of 121212223001303 in words is "one hundred twenty-one trillion, two hundred twelve billion, two hundred twenty-three million, one thousand, three hundred three".