12352354637 has 16 divisors (see below), whose sum is σ = 14591625600. Its totient is φ = 10237631040.

The previous prime is 12352354633. The next prime is 12352354639. The reversal of 12352354637 is 73645325321.

It is not a de Polignac number, because 12352354637 - 2² = 12352354633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12352354594 and 12352354603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12352354633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219962 + ... + 270347.

It is an arithmetic number, because the mean of its divisors is an integer number (911976600).

Almost surely, 2^12352354637 is an apocalyptic number.

It is an amenable number.

12352354637 is a deficient number, since it is larger than the sum of its proper divisors (2239270963).

12352354637 is an equidigital number, since it uses as much as digits as its factorization.

12352354637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490436.

The product of its digits is 453600, while the sum is 41.

Adding to 12352354637 its reverse (73645325321), we get a palindrome (85997679958).

The spelling of 12352354637 in words is "twelve billion, three hundred fifty-two million, three hundred fifty-four thousand, six hundred thirty-seven".