13212040315552 has 96 divisors (see below), whose sum is σ = 29264913150480. Its totient is φ = 5829300019200.

The previous prime is 13212040315549. The next prime is 13212040315583. The reversal of 13212040315552 is 25551304021231.

It can be written as a sum of positive squares in 8 ways, for example, as 12011797366416 + 1200242949136 = 3465804^2 + 1095556^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4203133 + ... + 6640060.

Almost surely, 2^{13212040315552} is an apocalyptic number.

It is an amenable number.

13212040315552 is an abundant number, since it is smaller than the sum of its proper divisors (16052872834928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13212040315552 is a wasteful number, since it uses less digits than its factorization.

13212040315552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10843346 (or 10843338 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 13212040315552 its reverse (25551304021231), we get a palindrome (38763344336783).

The spelling of 13212040315552 in words is "thirteen trillion, two hundred twelve billion, forty million, three hundred fifteen thousand, five hundred fifty-two".