122543243023452 has 48 divisors (see below), whose sum is σ = 286336167385632. Its totient is φ = 40790350909440.

The previous prime is 122543243023429. The next prime is 122543243023489. The reversal of 122543243023452 is 254320342345221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42591052 + ... + 45377132.

It is an arithmetic number, because the mean of its divisors is an integer number (5965336820534).

Almost surely, 2^{122543243023452} is an apocalyptic number.

122543243023452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122543243023452 is an abundant number, since it is smaller than the sum of its proper divisors (163792924362180).

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

122543243023452 is a wasteful number, since it uses less digits than its factorization.

122543243023452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791238 (or 2791236 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 122543243023452 its reverse (254320342345221), we get a palindrome (376863585368673).

The spelling of 122543243023452 in words is "one hundred twenty-two trillion, five hundred forty-three billion, two hundred forty-three million, twenty-three thousand, four hundred fifty-two".