121301224023 has 16 divisors (see below), whose sum is σ = 195712899840. Its totient is φ = 65237632896.

The previous prime is 121301224013. The next prime is 121301224063. The reversal of 121301224023 is 320422103121.

It is not a de Polignac number, because 121301224023 - 2⁴ = 121301224007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301224013) 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, 169889313 + ... + 169890026.

It is an arithmetic number, because the mean of its divisors is an integer number (12232056240).

Almost surely, 2^121301224023 is an apocalyptic number.

121301224023 is a deficient number, since it is larger than the sum of its proper divisors (74411675817).

121301224023 is a wasteful number, since it uses less digits than its factorization.

121301224023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339779366.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121301224023 its reverse (320422103121), we get a palindrome (441723327144).

The spelling of 121301224023 in words is "one hundred twenty-one billion, three hundred one million, two hundred twenty-four thousand, twenty-three".