12001120020231 has 8 divisors (see below), whose sum is σ = 16001532553344. Its totient is φ = 8000727083640.

The previous prime is 12001120020229. The next prime is 12001120020233. The reversal of 12001120020231 is 13202002110021.

It is an interprime number because it is at equal distance from previous prime (12001120020229) and next prime (12001120020233).

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

It is not a de Polignac number, because 12001120020231 - 2¹ = 12001120020229 is a prime.

It is a super-2 number, since 2×12001120020231² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12001120020231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001120020233) 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, 3405081 + ... + 5966306.

It is an arithmetic number, because the mean of its divisors is an integer number (2000191569168).

Almost surely, 2^{12001120020231} is an apocalyptic number.

12001120020231 is a deficient number, since it is larger than the sum of its proper divisors (4000412533113).

12001120020231 is an equidigital number, since it uses as much as digits as its factorization.

12001120020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9798261.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12001120020231 its reverse (13202002110021), we get a palindrome (25203122130252).

The spelling of 12001120020231 in words is "twelve trillion, one billion, one hundred twenty million, twenty thousand, two hundred thirty-one".