13125440422312 has 32 divisors (see below), whose sum is σ = 24709668805800. Its totient is φ = 6536203075584.

The previous prime is 13125440422301. The next prime is 13125440422321. The reversal of 13125440422312 is 21322404452131.

It can be written as a sum of positive squares in 4 ways, for example, as 12687373820356 + 438066601956 = 3561934^2 + 661866^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13317928 + ... + 14269480.

Almost surely, 2^{13125440422312} is an apocalyptic number.

It is an amenable number.

13125440422312 is a deficient number, since it is larger than the sum of its proper divisors (11584228383488).

13125440422312 is a wasteful number, since it uses less digits than its factorization.

13125440422312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958525 (or 958521 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 13125440422312 its reverse (21322404452131), we get a palindrome (34447844874443).

The spelling of 13125440422312 in words is "thirteen trillion, one hundred twenty-five billion, four hundred forty million, four hundred twenty-two thousand, three hundred twelve".