12101444431 has 2 divisors, whose sum is σ = 12101444432. Its totient is φ = 12101444430.

The previous prime is 12101444419. The next prime is 12101444437. The reversal of 12101444431 is 13444410121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12101444431 - 2¹¹ = 12101442383 is a prime.

It is a super-2 number, since 2×12101444431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12101444396 and 12101444405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101444437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050722215 + 6050722216.

It is an arithmetic number, because the mean of its divisors is an integer number (6050722216).

Almost surely, 2^12101444431 is an apocalyptic number.

12101444431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101444431 is an equidigital number, since it uses as much as digits as its factorization.

12101444431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 12101444431 its reverse (13444410121), we get a palindrome (25545854552).

The spelling of 12101444431 in words is "twelve billion, one hundred one million, four hundred forty-four thousand, four hundred thirty-one".