122212340144020 has 96 divisors (see below), whose sum is σ = 294931067719680. Its totient is φ = 41670375143040.

The previous prime is 122212340144009. The next prime is 122212340144101. The reversal of 122212340144020 is 20441043212221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 122212340144020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15092965 + ... + 21730675.

It is an arithmetic number, because the mean of its divisors is an integer number (3072198622080).

Almost surely, 2^{122212340144020} is an apocalyptic number.

122212340144020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122212340144020 is an abundant number, since it is smaller than the sum of its proper divisors (172718727575660).

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

122212340144020 is a wasteful number, since it uses less digits than its factorization.

122212340144020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638453 (or 6638451 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 122212340144020 its reverse (20441043212221), we get a palindrome (142653383356241).

The spelling of 122212340144020 in words is "one hundred twenty-two trillion, two hundred twelve billion, three hundred forty million, one hundred forty-four thousand, twenty".