12162411631 has 4 divisors (see below), whose sum is σ = 12183490912. Its totient is φ = 12141332352.

The previous prime is 12162411619. The next prime is 12162411659. The reversal of 12162411631 is 13611426121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13611426121 = 109 ⋅124875469.

It is a cyclic number.

It is not a de Polignac number, because 12162411631 - 2³³ = 3572477039 is a prime.

It is a super-2 number, since 2×12162411631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12162411631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162411671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10538775 + ... + 10539928.

It is an arithmetic number, because the mean of its divisors is an integer number (3045872728).

Almost surely, 2^12162411631 is an apocalyptic number.

12162411631 is a deficient number, since it is larger than the sum of its proper divisors (21079281).

12162411631 is an equidigital number, since it uses as much as digits as its factorization.

12162411631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21079280.

The product of its digits is 1728, while the sum is 28.

Adding to 12162411631 its reverse (13611426121), we get a palindrome (25773837752).

The spelling of 12162411631 in words is "twelve billion, one hundred sixty-two million, four hundred eleven thousand, six hundred thirty-one".