121214233243 has 4 divisors (see below), whose sum is σ = 121216825840. Its totient is φ = 121211640648.

The previous prime is 121214233237. The next prime is 121214233331. The reversal of 121214233243 is 342332412121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121214233243 - 2¹³ = 121214225051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121214234243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224855 + ... + 1320112.

It is an arithmetic number, because the mean of its divisors is an integer number (30304206460).

Almost surely, 2^121214233243 is an apocalyptic number.

121214233243 is a deficient number, since it is larger than the sum of its proper divisors (2592597).

121214233243 is an equidigital number, since it uses as much as digits as its factorization.

121214233243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592596.

The product of its digits is 6912, while the sum is 28.

Adding to 121214233243 its reverse (342332412121), we get a palindrome (463546645364).

The spelling of 121214233243 in words is "one hundred twenty-one billion, two hundred fourteen million, two hundred thirty-three thousand, two hundred forty-three".