120123301100 has 72 divisors (see below), whose sum is σ = 285606980400. Its totient is φ = 43490361600.

The previous prime is 120123301091. The next prime is 120123301147. The reversal of 120123301100 is 1103321021.

It is a super-2 number, since 2×120123301100² (a number of 23 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 13466 + ... + 490334.

Almost surely, 2^120123301100 is an apocalyptic number.

120123301100 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 120123301100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142803490200).

120123301100 is an abundant number, since it is smaller than the sum of its proper divisors (165483679300).

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

120123301100 is a wasteful number, since it uses less digits than its factorization.

120123301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477123 (or 477116 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 120123301100 its reverse (1103321021), we get a palindrome (121226622121).

The spelling of 120123301100 in words is "one hundred twenty billion, one hundred twenty-three million, three hundred one thousand, one hundred".