122243132240 has 40 divisors (see below), whose sum is σ = 284862779520. Its totient is φ = 48785855616.

The previous prime is 122243132237. The next prime is 122243132287. The reversal of 122243132240 is 42231342221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×122243132240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1705244 + ... + 1775483.

It is an arithmetic number, because the mean of its divisors is an integer number (7121569488).

Almost surely, 2^122243132240 is an apocalyptic number.

122243132240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122243132240 is an abundant number, since it is smaller than the sum of its proper divisors (162619647280).

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

122243132240 is a wasteful number, since it uses less digits than its factorization.

122243132240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481179 (or 3481173 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 122243132240 its reverse (42231342221), we get a palindrome (164474474461).

The spelling of 122243132240 in words is "one hundred twenty-two billion, two hundred forty-three million, one hundred thirty-two thousand, two hundred forty".