121323223222 has 8 divisors (see below), whose sum is σ = 187855313472. Its totient is φ = 58704785400.

The previous prime is 121323223199. The next prime is 121323223243. The reversal of 121323223222 is 222322323121.

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

It is a super-2 number, since 2×121323223222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978413029 + ... + 978413152.

It is an arithmetic number, because the mean of its divisors is an integer number (23481914184).

Almost surely, 2^121323223222 is an apocalyptic number.

121323223222 is a deficient number, since it is larger than the sum of its proper divisors (66532090250).

121323223222 is a wasteful number, since it uses less digits than its factorization.

121323223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956826214.

The product of its digits is 3456, while the sum is 25.

Adding to 121323223222 its reverse (222322323121), we get a palindrome (343645546343).

The spelling of 121323223222 in words is "one hundred twenty-one billion, three hundred twenty-three million, two hundred twenty-three thousand, two hundred twenty-two".