12131032101 has 4 divisors (see below), whose sum is σ = 16174709472. Its totient is φ = 8087354732.

The previous prime is 12131032093. The next prime is 12131032141. The reversal of 12131032101 is 10123013121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12131032101 - 2³ = 12131032093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131032141) 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, 2021838681 + ... + 2021838686.

It is an arithmetic number, because the mean of its divisors is an integer number (4043677368).

Almost surely, 2^12131032101 is an apocalyptic number.

It is an amenable number.

12131032101 is a deficient number, since it is larger than the sum of its proper divisors (4043677371).

12131032101 is an equidigital number, since it uses as much as digits as its factorization.

12131032101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043677370.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12131032101 its reverse (10123013121), we get a palindrome (22254045222).

The spelling of 12131032101 in words is "twelve billion, one hundred thirty-one million, thirty-two thousand, one hundred one".