100120231230 has 32 divisors (see below), whose sum is σ = 240374850048. Its totient is φ = 26689140000.

The previous prime is 100120231229. The next prime is 100120231231. The reversal of 100120231230 is 32132021001.

It is an interprime number because it is at equal distance from previous prime (100120231229) and next prime (100120231231).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120231231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 514146 + ... + 681605.

It is an arithmetic number, because the mean of its divisors is an integer number (7511714064).

Almost surely, 2^100120231230 is an apocalyptic number.

100120231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120231230 is an abundant number, since it is smaller than the sum of its proper divisors (140254618818).

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

100120231230 is a wasteful number, since it uses less digits than its factorization.

100120231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198552.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100120231230 its reverse (32132021001), we get a palindrome (132252252231).

The spelling of 100120231230 in words is "one hundred billion, one hundred twenty million, two hundred thirty-one thousand, two hundred thirty".