12012403837 has 8 divisors (see below), whose sum is σ = 13987489536. Its totient is φ = 10102075152.

The previous prime is 12012403829. The next prime is 12012403841. The reversal of 12012403837 is 73830421021.

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 12012403837 - 2³ = 12012403829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012403799 and 12012403808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012403537) 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, 16188853 + ... + 16189594.

It is an arithmetic number, because the mean of its divisors is an integer number (1748436192).

Almost surely, 2^12012403837 is an apocalyptic number.

It is an amenable number.

12012403837 is a deficient number, since it is larger than the sum of its proper divisors (1975085699).

12012403837 is an equidigital number, since it uses as much as digits as its factorization.

12012403837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32378507.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 12012403837 its reverse (73830421021), we get a palindrome (85842824858).

The spelling of 12012403837 in words is "twelve billion, twelve million, four hundred three thousand, eight hundred thirty-seven".