122144453020 has 48 divisors (see below), whose sum is σ = 259141730400. Its totient is φ = 48355603200.

The previous prime is 122144452987. The next prime is 122144453051. The reversal of 122144453020 is 20354441221.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 122144453020.

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, 6088366 + ... + 6108394.

It is an arithmetic number, because the mean of its divisors is an integer number (5398786050).

Almost surely, 2^122144453020 is an apocalyptic number.

122144453020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122144453020 is an abundant number, since it is smaller than the sum of its proper divisors (136997277380).

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

122144453020 is a wasteful number, since it uses less digits than its factorization.

122144453020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23158 (or 23156 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 122144453020 its reverse (20354441221), we get a palindrome (142498894241).

The spelling of 122144453020 in words is "one hundred twenty-two billion, one hundred forty-four million, four hundred fifty-three thousand, twenty".