122144305300 has 18 divisors (see below), whose sum is σ = 265053142718. Its totient is φ = 48857722080.

The previous prime is 122144305271. The next prime is 122144305303. The reversal of 122144305300 is 3503441221.

It can be written as a sum of positive squares in 3 ways, for example, as 100280196 + 122044025104 = 10014^2 + 349348^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122144305303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610721427 + ... + 610721626.

Almost surely, 2^122144305300 is an apocalyptic number.

122144305300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122144305300 is an abundant number, since it is smaller than the sum of its proper divisors (142908837418).

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

122144305300 is a wasteful number, since it uses less digits than its factorization.

122144305300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221443067 (or 1221443060 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 122144305300 its reverse (3503441221), we get a palindrome (125647746521).

The spelling of 122144305300 in words is "one hundred twenty-two billion, one hundred forty-four million, three hundred five thousand, three hundred".