12452039829 has 24 divisors (see below), whose sum is σ = 18538272792. Its totient is φ = 8048194560.

The previous prime is 12452039779. The next prime is 12452039843. The reversal of 12452039829 is 92893025421.

12452039829 is a `hidden beast` number, since 12 + 4 + 520 + 3 + 98 + 29 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7001170929 + 5450868900 = 83673^2 + 73830^2 .

It is not a de Polignac number, because 12452039829 - 2¹² = 12452035733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452039629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27037 + ... + 160109.

It is an arithmetic number, because the mean of its divisors is an integer number (772428033).

Almost surely, 2^12452039829 is an apocalyptic number.

It is an amenable number.

12452039829 is a deficient number, since it is larger than the sum of its proper divisors (6086232963).

12452039829 is a wasteful number, since it uses less digits than its factorization.

12452039829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133397 (or 133394 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 12452039829 in words is "twelve billion, four hundred fifty-two million, thirty-nine thousand, eight hundred twenty-nine".