120203100000 has 216 divisors, whose sum is σ = 427260309840. Its totient is φ = 32053920000.

The previous prime is 120203099983. The next prime is 120203100023. The reversal of 120203100000 is 1302021.

It is a happy number.

It is a super-2 number, since 2×120203100000² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 833221 + ... + 966779.

It is an arithmetic number, because the mean of its divisors is an integer number (1978056990).

Almost surely, 2^120203100000 is an apocalyptic number.

120203100000 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 120203100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213630154920).

120203100000 is an abundant number, since it is smaller than the sum of its proper divisors (307057209840).

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

120203100000 is an equidigital number, since it uses as much as digits as its factorization.

120203100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133600 (or 133569 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 120203100000 its reverse (1302021), we get a palindrome (120204402021).

The spelling of 120203100000 in words is "one hundred twenty billion, two hundred three million, one hundred thousand".