13112400531322 has 4 divisors (see below), whose sum is σ = 19668600796986. Its totient is φ = 6556200265660.

The previous prime is 13112400531257. The next prime is 13112400531463. The reversal of 13112400531322 is 22313500421131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13082609426121 + 29791105201 = 3616989^2 + 172601^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278100132829 + ... + 3278100132832.

Almost surely, 2^{13112400531322} is an apocalyptic number.

13112400531322 is a deficient number, since it is larger than the sum of its proper divisors (6556200265664).

13112400531322 is an equidigital number, since it uses as much as digits as its factorization.

13112400531322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556200265663.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 13112400531322 its reverse (22313500421131), we get a palindrome (35425900952453).

The spelling of 13112400531322 in words is "thirteen trillion, one hundred twelve billion, four hundred million, five hundred thirty-one thousand, three hundred twenty-two".