12884952145 has 8 divisors (see below), whose sum is σ = 16651322856. Its totient is φ = 9515041536.

The previous prime is 12884952133. The next prime is 12884952149. The reversal of 12884952145 is 54125948821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2818441921 + 10066510224 = 53089^2 + 100332^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12884952145 - 2¹⁷ = 12884821073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12884952149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99114952 + ... + 99115081.

It is an arithmetic number, because the mean of its divisors is an integer number (2081415357).

Almost surely, 2^12884952145 is an apocalyptic number.

It is an amenable number.

12884952145 is a deficient number, since it is larger than the sum of its proper divisors (3766370711).

12884952145 is a wasteful number, since it uses less digits than its factorization.

12884952145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198230051.

The product of its digits is 921600, while the sum is 49.

The spelling of 12884952145 in words is "twelve billion, eight hundred eighty-four million, nine hundred fifty-two thousand, one hundred forty-five".