121302323121 has 8 divisors (see below), whose sum is σ = 184841635264. Its totient is φ = 69315613200.

The previous prime is 121302323119. The next prime is 121302323123. The reversal of 121302323121 is 121323203121.

It is an interprime number because it is at equal distance from previous prime (121302323119) and next prime (121302323123).

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

It is not a de Polignac number, because 121302323121 - 2¹ = 121302323119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5776301101 = 121302323121 / (1 + 2 + 1 + 3 + 0 + 2 + 3 + 2 + 3 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121302323123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2888150530 + ... + 2888150571.

It is an arithmetic number, because the mean of its divisors is an integer number (23105204408).

Almost surely, 2^121302323121 is an apocalyptic number.

It is an amenable number.

121302323121 is a deficient number, since it is larger than the sum of its proper divisors (63539312143).

121302323121 is an equidigital number, since it uses as much as digits as its factorization.

121302323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5776301111.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121302323121 its reverse (121323203121), we get a palindrome (242625526242).

The spelling of 121302323121 in words is "one hundred twenty-one billion, three hundred two million, three hundred twenty-three thousand, one hundred twenty-one".