12533351213505 has 32 divisors (see below), whose sum is σ = 20521529487360. Its totient is φ = 6528425561280.

The previous prime is 12533351213501. The next prime is 12533351213507. The reversal of 12533351213505 is 50531215333521.

12533351213505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12533351213505 - 2² = 12533351213501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12533351213501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6508656 + ... + 8211534.

It is an arithmetic number, because the mean of its divisors is an integer number (641297796480).

Almost surely, 2^{12533351213505} is an apocalyptic number.

12533351213505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12533351213505 is a deficient number, since it is larger than the sum of its proper divisors (7988178273855).

12533351213505 is a wasteful number, since it uses less digits than its factorization.

12533351213505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714341.

The product of its (nonzero) digits is 202500, while the sum is 39.

The spelling of 12533351213505 in words is "twelve trillion, five hundred thirty-three billion, three hundred fifty-one million, two hundred thirteen thousand, five hundred five".