122000340440 has 64 divisors (see below), whose sum is σ = 301186524960. Its totient is φ = 44107294720.

The previous prime is 122000340403. The next prime is 122000340499. The reversal of 122000340440 is 44043000221.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 725249 + ... + 877488.

Almost surely, 2^122000340440 is an apocalyptic number.

122000340440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000340440 is an abundant number, since it is smaller than the sum of its proper divisors (179186184520).

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

122000340440 is a wasteful number, since it uses less digits than its factorization.

122000340440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602932 (or 1602928 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 122000340440 its reverse (44043000221), we get a palindrome (166043340661).

The spelling of 122000340440 in words is "one hundred twenty-two billion, three hundred forty thousand, four hundred forty".