12150373729 has 4 divisors (see below), whose sum is σ = 13085017876. Its totient is φ = 11215729584.

The previous prime is 12150373727. The next prime is 12150373747. The reversal of 12150373729 is 92737305121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2789424225 + 9360949504 = 52815^2 + 96752^2 .

It is a cyclic number.

It is not a de Polignac number, because 12150373729 - 2¹ = 12150373727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12150373691 and 12150373700.

It is not an unprimeable number, because it can be changed into a prime (12150373727) 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, 467322054 + ... + 467322079.

It is an arithmetic number, because the mean of its divisors is an integer number (3271254469).

Almost surely, 2^12150373729 is an apocalyptic number.

It is an amenable number.

12150373729 is a deficient number, since it is larger than the sum of its proper divisors (934644147).

12150373729 is an equidigital number, since it uses as much as digits as its factorization.

12150373729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934644146.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 12150373729 in words is "twelve billion, one hundred fifty million, three hundred seventy-three thousand, seven hundred twenty-nine".