12331221141 has 32 divisors (see below), whose sum is σ = 17591316480. Its totient is φ = 7660699200.

The previous prime is 12331221061. The next prime is 12331221151. The reversal of 12331221141 is 14112213321.

It is not a de Polignac number, because 12331221141 - 2²⁵ = 12297666709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331221151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1870471 + ... + 1877051.

It is an arithmetic number, because the mean of its divisors is an integer number (549728640).

Almost surely, 2^12331221141 is an apocalyptic number.

It is an amenable number.

12331221141 is a deficient number, since it is larger than the sum of its proper divisors (5260095339).

12331221141 is a wasteful number, since it uses less digits than its factorization.

12331221141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137.

The product of its digits is 288, while the sum is 21.

Adding to 12331221141 its reverse (14112213321), we get a palindrome (26443434462).

It can be divided in two parts, 123312 and 21141, that added together give a triangular number (144453 = T₅₃₇).

The spelling of 12331221141 in words is "twelve billion, three hundred thirty-one million, two hundred twenty-one thousand, one hundred forty-one".