12038478401 has 8 divisors (see below), whose sum is σ = 12083464680. Its totient is φ = 11993519232.

The previous prime is 12038478383. The next prime is 12038478409. The reversal of 12038478401 is 10487483021.

It is a Cunningham number, because it is equal to 109720²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1480710400 + 10557768001 = 38480^2 + 102751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12038478401 is a prime.

It is a super-2 number, since 2×12038478401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12038478409) 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, 1441205 + ... + 1449533.

It is an arithmetic number, because the mean of its divisors is an integer number (1510433085).

Almost surely, 2^12038478401 is an apocalyptic number.

It is an amenable number.

12038478401 is a deficient number, since it is larger than the sum of its proper divisors (44986279).

12038478401 is an equidigital number, since it uses as much as digits as its factorization.

12038478401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 12038478401 in words is "twelve billion, thirty-eight million, four hundred seventy-eight thousand, four hundred one".