129307244011 has 4 divisors (see below), whose sum is σ = 141062448024. Its totient is φ = 117552040000.

The previous prime is 129307243993. The next prime is 129307244081. The reversal of 129307244011 is 110442703921.

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

It is a cyclic number.

It is not a de Polignac number, because 129307244011 - 2¹⁹ = 129306719723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129307244081) 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, 5877601990 + ... + 5877602011.

It is an arithmetic number, because the mean of its divisors is an integer number (35265612006).

Almost surely, 2^129307244011 is an apocalyptic number.

129307244011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

129307244011 is a deficient number, since it is larger than the sum of its proper divisors (11755204013).

129307244011 is a wasteful number, since it uses less digits than its factorization.

129307244011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11755204012.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 129307244011 its reverse (110442703921), we get a palindrome (239749947932).

The spelling of 129307244011 in words is "one hundred twenty-nine billion, three hundred seven million, two hundred forty-four thousand, eleven".