12000211331 has 8 divisors (see below), whose sum is σ = 12265058304. Its totient is φ = 11738026440.

The previous prime is 12000211241. The next prime is 12000211439. The reversal of 12000211331 is 13311200021.

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

It is a cyclic number.

It is not a de Polignac number, because 12000211331 - 2²² = 11996017027 is a prime.

It is a super-2 number, since 2×12000211331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000213331) 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, 656405 + ... + 674438.

It is an arithmetic number, because the mean of its divisors is an integer number (1533132288).

Almost surely, 2^12000211331 is an apocalyptic number.

12000211331 is a deficient number, since it is larger than the sum of its proper divisors (264846973).

12000211331 is a wasteful number, since it uses less digits than its factorization.

12000211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331041.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12000211331 its reverse (13311200021), we get a palindrome (25311411352).

It can be divided in two parts, 1200021 and 1331, that multiplied together give a palindrome (1597227951).

The spelling of 12000211331 in words is "twelve billion, two hundred eleven thousand, three hundred thirty-one".