120131003100 has 144 divisors (see below), whose sum is σ = 354460313088. Its totient is φ = 31401826560.

The previous prime is 120131003099. The next prime is 120131003171. The reversal of 120131003100 is 1300131021.

It is a super-2 number, since 2×120131003100² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21732537 + ... + 21738063.

It is an arithmetic number, because the mean of its divisors is an integer number (2461529952).

Almost surely, 2^120131003100 is an apocalyptic number.

120131003100 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 120131003100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177230156544).

120131003100 is an abundant number, since it is smaller than the sum of its proper divisors (234329309988).

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

120131003100 is a wasteful number, since it uses less digits than its factorization.

120131003100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964 (or 6957 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 120131003100 its reverse (1300131021), we get a palindrome (121431134121).

The spelling of 120131003100 in words is "one hundred twenty billion, one hundred thirty-one million, three thousand, one hundred".