12101434031 has 4 divisors (see below), whose sum is σ = 12101841000. Its totient is φ = 12101027064.

The previous prime is 12101434013. The next prime is 12101434049. The reversal of 12101434031 is 13043410121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12101434013) and next prime (12101434049).

It is a cyclic number.

It is not a de Polignac number, because 12101434031 - 2¹⁰ = 12101433007 is a prime.

It is a super-2 number, since 2×12101434031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101433994 and 12101434012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101430031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155036 + ... + 219633.

It is an arithmetic number, because the mean of its divisors is an integer number (3025460250).

Almost surely, 2^12101434031 is an apocalyptic number.

12101434031 is a deficient number, since it is larger than the sum of its proper divisors (406969).

12101434031 is an equidigital number, since it uses as much as digits as its factorization.

12101434031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406968.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12101434031 its reverse (13043410121), we get a palindrome (25144844152).

The spelling of 12101434031 in words is "twelve billion, one hundred one million, four hundred thirty-four thousand, thirty-one".