121223121211322 has 8 divisors (see below), whose sum is σ = 195821965033716. Its totient is φ = 55949132866752.

The previous prime is 121223121211243. The next prime is 121223121211349. The reversal of 121223121211322 is 223112121322121.

121223121211322 is digitally balanced in base 3, 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 2 ways, for example, as 92703024754081 + 28520096457241 = 9628241^2 + 5340421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 4662427738897 = 121223121211322 / (1 + 2 + 1 + 2 + 2 + 3 + 1 + 2 + 1 + 2 + 1 + 1 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 121223121211291 and 121223121211300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2331213869423 + ... + 2331213869474.

Almost surely, 2^{121223121211322} is an apocalyptic number.

121223121211322 is a deficient number, since it is larger than the sum of its proper divisors (74598843822394).

121223121211322 is a wasteful number, since it uses less digits than its factorization.

121223121211322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662427738912.

The product of its digits is 1152, while the sum is 26.

Adding to 121223121211322 its reverse (223112121322121), we get a palindrome (344335242533443).

The spelling of 121223121211322 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, one hundred twenty-one million, two hundred eleven thousand, three hundred twenty-two".