13123301122452 has 48 divisors (see below), whose sum is σ = 32422532288832. Its totient is φ = 4117081198080.

The previous prime is 13123301122441. The next prime is 13123301122457. The reversal of 13123301122452 is 25422110332131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123301122457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43958278 + ... + 44255810.

It is an arithmetic number, because the mean of its divisors is an integer number (675469422684).

Almost surely, 2^{13123301122452} is an apocalyptic number.

13123301122452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13123301122452 is an abundant number, since it is smaller than the sum of its proper divisors (19299231166380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13123301122452 is a wasteful number, since it uses less digits than its factorization.

13123301122452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513768 (or 513766 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 13123301122452 its reverse (25422110332131), we get a palindrome (38545411454583).

The spelling of 13123301122452 in words is "thirteen trillion, one hundred twenty-three billion, three hundred one million, one hundred twenty-two thousand, four hundred fifty-two".