13155242412112 has 10 divisors (see below), whose sum is σ = 25488282173498. Its totient is φ = 6577621206048.

The previous prime is 13155242412089. The next prime is 13155242412113. The reversal of 13155242412112 is 21121424255131.

It can be written as a sum of positive squares in only one way, i.e., 11180891438656 + 1974350973456 = 3343784^2 + 1405116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155242412113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411101325363 + ... + 411101325394.

Almost surely, 2^{13155242412112} is an apocalyptic number.

It is an amenable number.

13155242412112 is a deficient number, since it is larger than the sum of its proper divisors (12333039761386).

13155242412112 is an equidigital number, since it uses as much as digits as its factorization.

13155242412112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822202650765 (or 822202650759 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

Adding to 13155242412112 its reverse (21121424255131), we get a palindrome (34276666667243).

The spelling of 13155242412112 in words is "thirteen trillion, one hundred fifty-five billion, two hundred forty-two million, four hundred twelve thousand, one hundred twelve".