122343125520020 has 48 divisors (see below), whose sum is σ = 263237453413200. Its totient is φ = 47734491463680.

The previous prime is 122343125520017. The next prime is 122343125520041. The reversal of 122343125520020 is 20025521343221.

It can be written as a sum of positive squares in 8 ways, for example, as 619831842436 + 121723293677584 = 787294^2 + 11032828^2 .

It is a congruent number.

It is an unprimeable number.

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, 10049885 + ... + 18592644.

It is an arithmetic number, because the mean of its divisors is an integer number (5484113612775).

Almost surely, 2^{122343125520020} is an apocalyptic number.

122343125520020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122343125520020 is an abundant number, since it is smaller than the sum of its proper divisors (140894327893180).

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

122343125520020 is a wasteful number, since it uses less digits than its factorization.

122343125520020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28647788 (or 28647786 counting only the distinct ones).

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

Adding to 122343125520020 its reverse (20025521343221), we get a palindrome (142368646863241).

The spelling of 122343125520020 in words is "one hundred twenty-two trillion, three hundred forty-three billion, one hundred twenty-five million, five hundred twenty thousand, twenty".