122520101000 has 64 divisors (see below), whose sum is σ = 312760431360. Its totient is φ = 44552760000.

The previous prime is 122520100949. The next prime is 122520101003. The reversal of 122520101000 is 101025221.

It is a super-2 number, since 2×122520101000² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122520101003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5558096 + ... + 5580095.

It is an arithmetic number, because the mean of its divisors is an integer number (4886881740).

Almost surely, 2^122520101000 is an apocalyptic number.

122520101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122520101000 is an abundant number, since it is smaller than the sum of its proper divisors (190240330360).

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

122520101000 is a wasteful number, since it uses less digits than its factorization.

122520101000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11138223 (or 11138209 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 122520101000 its reverse (101025221), we get a palindrome (122621126221).

The spelling of 122520101000 in words is "one hundred twenty-two billion, five hundred twenty million, one hundred one thousand".