120231205124100 has 144 divisors (see below), whose sum is σ = 401082789141888. Its totient is φ = 27238219868160.

The previous prime is 120231205124071. The next prime is 120231205124123. The reversal of 120231205124100 is 1421502132021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 253094359 + ... + 253568958.

Almost surely, 2^{120231205124100} is an apocalyptic number.

120231205124100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120231205124100 is an abundant number, since it is smaller than the sum of its proper divisors (280851584017788).

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

120231205124100 is a wasteful number, since it uses less digits than its factorization.

120231205124100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506663454 (or 506663447 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 120231205124100 its reverse (1421502132021), we get a palindrome (121652707256121).

The spelling of 120231205124100 in words is "one hundred twenty trillion, two hundred thirty-one billion, two hundred five million, one hundred twenty-four thousand, one hundred".