12001121302331 has 8 divisors (see below), whose sum is σ = 13716183893760. Its totient is φ = 10286212883688.

The previous prime is 12001121302319. The next prime is 12001121302343. The reversal of 12001121302331 is 13320312110021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12001121302319) and next prime (12001121302343).

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

It is not a de Polignac number, because 12001121302331 - 2³⁸ = 11726243395387 is a prime.

It is a super-2 number, since 2×12001121302331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001121302831) 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, 38376341 + ... + 38687798.

It is an arithmetic number, because the mean of its divisors is an integer number (1714522986720).

Almost surely, 2^{12001121302331} is an apocalyptic number.

12001121302331 is a deficient number, since it is larger than the sum of its proper divisors (1715062591429).

12001121302331 is an equidigital number, since it uses as much as digits as its factorization.

12001121302331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77086393.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12001121302331 its reverse (13320312110021), we get a palindrome (25321433412352).

The spelling of 12001121302331 in words is "twelve trillion, one billion, one hundred twenty-one million, three hundred two thousand, three hundred thirty-one".