122554305313420 has 24 divisors (see below), whose sum is σ = 257410255082400. Its totient is φ = 49012919473152.

The previous prime is 122554305313373. The next prime is 122554305313423. The reversal of 122554305313420 is 24313503455221.

It is not an unprimeable number, because it can be changed into a prime (122554305313423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550051600 + ... + 550274359.

It is an arithmetic number, because the mean of its divisors is an integer number (10725427295100).

Almost surely, 2^{122554305313420} is an apocalyptic number.

122554305313420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122554305313420 is an abundant number, since it is smaller than the sum of its proper divisors (134855949768980).

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

122554305313420 is a wasteful number, since it uses less digits than its factorization.

122554305313420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100331537 (or 1100331535 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 122554305313420 its reverse (24313503455221), we get a palindrome (146867808768641).

The spelling of 122554305313420 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, three hundred five million, three hundred thirteen thousand, four hundred twenty".