120101797500 has 120 divisors (see below), whose sum is σ = 350667550464. Its totient is φ = 31983000000.

The previous prime is 120101797483. The next prime is 120101797531. The reversal of 120101797500 is 5797101021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5621839 + ... + 5643161.

Almost surely, 2^120101797500 is an apocalyptic number.

120101797500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120101797500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175333775232).

120101797500 is an abundant number, since it is smaller than the sum of its proper divisors (230565752964).

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

120101797500 is a wasteful number, since it uses less digits than its factorization.

120101797500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22101 (or 22084 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 33.

Adding to 120101797500 its reverse (5797101021), we get a palindrome (125898898521).

The spelling of 120101797500 in words is "one hundred twenty billion, one hundred one million, seven hundred ninety-seven thousand, five hundred".