122020112040 has 64 divisors (see below), whose sum is σ = 385326676800. Its totient is φ = 30826132992.

The previous prime is 122020112023. The next prime is 122020112051. The reversal of 122020112040 is 40211020221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26756517 + ... + 26761076.

It is an arithmetic number, because the mean of its divisors is an integer number (6020729325).

Almost surely, 2^122020112040 is an apocalyptic number.

122020112040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020112040 is an abundant number, since it is smaller than the sum of its proper divisors (263306564760).

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

122020112040 is a wasteful number, since it uses less digits than its factorization.

122020112040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53517626 (or 53517622 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122020112040 its reverse (40211020221), we get a palindrome (162231132261).

The spelling of 122020112040 in words is "one hundred twenty-two billion, twenty million, one hundred twelve thousand, forty".