12629123029 has 4 divisors (see below), whose sum is σ = 13064610060. Its totient is φ = 12193636000.

The previous prime is 12629123027. The next prime is 12629123093. The reversal of 12629123029 is 92032192621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92032192621 = 557 ⋅165228353.

It can be written as a sum of positive squares in 2 ways, for example, as 6540442129 + 6088680900 = 80873^2 + 78030^2 .

It is a cyclic number.

It is not a de Polignac number, because 12629123029 - 2¹ = 12629123027 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12629123027) 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, 217743472 + ... + 217743529.

It is an arithmetic number, because the mean of its divisors is an integer number (3266152515).

Almost surely, 2^12629123029 is an apocalyptic number.

It is an amenable number.

12629123029 is a deficient number, since it is larger than the sum of its proper divisors (435487031).

12629123029 is an equidigital number, since it uses as much as digits as its factorization.

12629123029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435487030.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 12629123029 in words is "twelve billion, six hundred twenty-nine million, one hundred twenty-three thousand, twenty-nine".