1323520122452 has 12 divisors (see below), whose sum is σ = 2526720233856. Its totient is φ = 601600055640.

The previous prime is 1323520122451. The next prime is 1323520122479. The reversal of 1323520122452 is 2542210253231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323520122451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15040001348 + ... + 15040001435.

It is an arithmetic number, because the mean of its divisors is an integer number (210560019488).

Almost surely, 2^{1323520122452} is an apocalyptic number.

It is an amenable number.

1323520122452 is a deficient number, since it is larger than the sum of its proper divisors (1203200111404).

1323520122452 is a wasteful number, since it uses less digits than its factorization.

1323520122452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30080002798 (or 30080002796 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1323520122452 its reverse (2542210253231), we get a palindrome (3865730375683).

The spelling of 1323520122452 in words is "one trillion, three hundred twenty-three billion, five hundred twenty million, one hundred twenty-two thousand, four hundred fifty-two".