120122100021000 has 384 divisors, whose sum is σ = 475603292511360. Its totient is φ = 24960436032000.

The previous prime is 120122100020983. The next prime is 120122100021037. The reversal of 120122100021000 is 120001221021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35526507 + ... + 38760506.

It is an arithmetic number, because the mean of its divisors is an integer number (1238550240915).

Almost surely, 2^{120122100021000} is an apocalyptic number.

120122100021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120122100021000 is an abundant number, since it is smaller than the sum of its proper divisors (355481192490360).

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

120122100021000 is a wasteful number, since it uses less digits than its factorization.

120122100021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74287062 (or 74287041 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120122100021000 its reverse (120001221021), we get a palindrome (120242101242021).

The spelling of 120122100021000 in words is "one hundred twenty trillion, one hundred twenty-two billion, one hundred million, twenty-one thousand".