12533721403147 has 16 divisors (see below), whose sum is σ = 14428307554560. Its totient is φ = 10665431132832.

The previous prime is 12533721403141. The next prime is 12533721403163. The reversal of 12533721403147 is 74130412733521.

It is a happy number.

It is not a de Polignac number, because 12533721403147 - 2³ = 12533721403139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12533721403141) 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, 11227273 + ... + 12293050.

It is an arithmetic number, because the mean of its divisors is an integer number (901769222160).

Almost surely, 2^{12533721403147} is an apocalyptic number.

12533721403147 is a deficient number, since it is larger than the sum of its proper divisors (1894586151413).

12533721403147 is a wasteful number, since it uses less digits than its factorization.

12533721403147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23520882.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 12533721403147 in words is "twelve trillion, five hundred thirty-three billion, seven hundred twenty-one million, four hundred three thousand, one hundred forty-seven".