121123322123219 has 16 divisors (see below), whose sum is σ = 138229630751520. Its totient is φ = 105317813879040.

The previous prime is 121123322123213. The next prime is 121123322123227. The reversal of 121123322123219 is 912321223321121.

It is a cyclic number.

It is not a de Polignac number, because 121123322123219 - 2¹² = 121123322119123 is a prime.

It is a super-2 number, since 2×121123322123219² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121123322123213) 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, 3918057977 + ... + 3918088890.

It is an arithmetic number, because the mean of its divisors is an integer number (8639351921970).

Almost surely, 2^{121123322123219} is an apocalyptic number.

121123322123219 is a deficient number, since it is larger than the sum of its proper divisors (17106308628301).

121123322123219 is a wasteful number, since it uses less digits than its factorization.

121123322123219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7836146950.

The product of its digits is 15552, while the sum is 35.

The spelling of 121123322123219 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, three hundred twenty-two million, one hundred twenty-three thousand, two hundred nineteen".