121314223223 has 16 divisors (see below), whose sum is σ = 129905151840. Its totient is φ = 112960512000.

The previous prime is 121314223211. The next prime is 121314223249. The reversal of 121314223223 is 322322413121.

It is a cyclic number.

It is not a de Polignac number, because 121314223223 - 2⁴ = 121314223207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121314223192 and 121314223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121314225223) 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, 32183 + ... + 493623.

It is an arithmetic number, because the mean of its divisors is an integer number (8119071990).

Almost surely, 2^121314223223 is an apocalyptic number.

121314223223 is a deficient number, since it is larger than the sum of its proper divisors (8590928617).

121314223223 is a wasteful number, since it uses less digits than its factorization.

121314223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461698.

The product of its digits is 3456, while the sum is 26.

Adding to 121314223223 its reverse (322322413121), we get a palindrome (443636636344).

The spelling of 121314223223 in words is "one hundred twenty-one billion, three hundred fourteen million, two hundred twenty-three thousand, two hundred twenty-three".