12105311629 has 8 divisors (see below), whose sum is σ = 12231743040. Its totient is φ = 11979396000.

The previous prime is 12105311627. The next prime is 12105311641. The reversal of 12105311629 is 92611350121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12105311629 - 2¹ = 12105311627 is a prime.

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 12105311629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105311627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81672 + ... + 175729.

It is an arithmetic number, because the mean of its divisors is an integer number (1528967880).

Almost surely, 2^12105311629 is an apocalyptic number.

It is an amenable number.

12105311629 is a deficient number, since it is larger than the sum of its proper divisors (126431411).

12105311629 is a wasteful number, since it uses less digits than its factorization.

12105311629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257891.

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 12105311629 in words is "twelve billion, one hundred five million, three hundred eleven thousand, six hundred twenty-nine".