122001020010 has 48 divisors (see below), whose sum is σ = 319102108416. Its totient is φ = 32338789344.

The previous prime is 122001020003. The next prime is 122001020021. The reversal of 122001020010 is 10020100221.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 122001019974 and 122001020001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4043554 + ... + 4073613.

It is an arithmetic number, because the mean of its divisors is an integer number (6647960592).

Almost surely, 2^122001020010 is an apocalyptic number.

122001020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122001020010 is an abundant number, since it is smaller than the sum of its proper divisors (197101088406).

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

122001020010 is a wasteful number, since it uses less digits than its factorization.

122001020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8117347 (or 8117344 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 122001020010 its reverse (10020100221), we get a palindrome (132021120231).

The spelling of 122001020010 in words is "one hundred twenty-two billion, one million, twenty thousand, ten".