120122121020 has 48 divisors (see below), whose sum is σ = 275305540608. Its totient is φ = 43662250560.

The previous prime is 120122121013. The next prime is 120122121029. The reversal of 120122121020 is 20121221021.

It is a junction number, because it is equal to n+sod(n) for n = 120122120986 and 120122121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122121029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409697 + ... + 638823.

It is an arithmetic number, because the mean of its divisors is an integer number (5735532096).

Almost surely, 2^120122121020 is an apocalyptic number.

120122121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120122121020 is an abundant number, since it is smaller than the sum of its proper divisors (155183419588).

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

120122121020 is a wasteful number, since it uses less digits than its factorization.

120122121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231530 (or 231528 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120122121020 its reverse (20121221021), we get a palindrome (140243342041).

It can be divided in two parts, 120122 and 121020, that added together give a palindrome (241142).

The spelling of 120122121020 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty".