12381970429 has 8 divisors (see below), whose sum is σ = 12416932152. Its totient is φ = 12347059200.

The previous prime is 12381970423. The next prime is 12381970441. The reversal of 12381970429 is 92407918321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 353364804 + 12028605625 = 18798^2 + 109675^2 .

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 12381970429 - 2³ = 12381970421 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 (12381970421) 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, 508329 + ... + 532129.

It is an arithmetic number, because the mean of its divisors is an integer number (1552116519).

Almost surely, 2^12381970429 is an apocalyptic number.

It is an amenable number.

12381970429 is a deficient number, since it is larger than the sum of its proper divisors (34961723).

12381970429 is an equidigital number, since it uses as much as digits as its factorization.

12381970429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25247.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 12381970429 in words is "twelve billion, three hundred eighty-one million, nine hundred seventy thousand, four hundred twenty-nine".