352521335013412 has 24 divisors (see below), whose sum is σ = 653378942866104. Its totient is φ = 165847276595712.

The previous prime is 352521335013403. The next prime is 352521335013433. The reversal of 352521335013412 is 214310533125253.

It can be written as a sum of positive squares in 4 ways, for example, as 243483130770916 + 109038204242496 = 15603946^2 + 10442136^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704691123 + ... + 705191194.

It is an arithmetic number, because the mean of its divisors is an integer number (27224122619421).

Almost surely, 2^{352521335013412} is an apocalyptic number.

It is an amenable number.

352521335013412 is a deficient number, since it is larger than the sum of its proper divisors (300857607852692).

352521335013412 is a wasteful number, since it uses less digits than its factorization.

352521335013412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409886015 (or 1409886013 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 352521335013412 its reverse (214310533125253), we get a palindrome (566831868138665).

The spelling of 352521335013412 in words is "three hundred fifty-two trillion, five hundred twenty-one billion, three hundred thirty-five million, thirteen thousand, four hundred twelve".