121302232001 has 4 divisors (see below), whose sum is σ = 126576242112. Its totient is φ = 116028221892.

The previous prime is 121302231979. The next prime is 121302232013. The reversal of 121302232001 is 100232203121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121302232001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121302232801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637005021 + ... + 2637005066.

It is an arithmetic number, because the mean of its divisors is an integer number (31644060528).

Almost surely, 2^121302232001 is an apocalyptic number.

It is an amenable number.

121302232001 is a deficient number, since it is larger than the sum of its proper divisors (5274010111).

121302232001 is an equidigital number, since it uses as much as digits as its factorization.

121302232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274010110.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121302232001 its reverse (100232203121), we get a palindrome (221534435122).

The spelling of 121302232001 in words is "one hundred twenty-one billion, three hundred two million, two hundred thirty-two thousand, one".