12125516833 has 8 divisors (see below), whose sum is σ = 12466114920. Its totient is φ = 11787054720.

The previous prime is 12125516813. The next prime is 12125516869. The reversal of 12125516833 is 33861552121.

It can be written as a sum of positive squares in 4 ways, for example, as 546250384 + 11579266449 = 23372^2 + 107607^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12125516833 - 2¹⁷ = 12125385761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12125516792 and 12125516801.

It is not an unprimeable number, because it can be changed into a prime (12125516813) 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, 522478 + ... + 545191.

It is an arithmetic number, because the mean of its divisors is an integer number (1558264365).

Almost surely, 2^12125516833 is an apocalyptic number.

It is an amenable number.

12125516833 is a deficient number, since it is larger than the sum of its proper divisors (340598087).

12125516833 is a wasteful number, since it uses less digits than its factorization.

12125516833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067987.

The product of its digits is 43200, while the sum is 37.

The spelling of 12125516833 in words is "twelve billion, one hundred twenty-five million, five hundred sixteen thousand, eight hundred thirty-three".