12035406437 has 4 divisors (see below), whose sum is σ = 12050284140. Its totient is φ = 12020528736.

The previous prime is 12035406421. The next prime is 12035406491. The reversal of 12035406437 is 73460453021.

It is a Cunningham number, because it is equal to 109706²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10593761476 + 1441644961 = 102926^2 + 37969^2 .

It is a cyclic number.

It is not a de Polignac number, because 12035406437 - 2⁴ = 12035406421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12035406397 and 12035406406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12035406407) 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, 7437638 + ... + 7439255.

It is an arithmetic number, because the mean of its divisors is an integer number (3012571035).

Almost surely, 2^12035406437 is an apocalyptic number.

It is an amenable number.

12035406437 is a deficient number, since it is larger than the sum of its proper divisors (14877703).

12035406437 is an equidigital number, since it uses as much as digits as its factorization.

12035406437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14877702.

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 12035406437 its reverse (73460453021), we get a palindrome (85495859458).

The spelling of 12035406437 in words is "twelve billion, thirty-five million, four hundred six thousand, four hundred thirty-seven".