120123210320 has 40 divisors (see below), whose sum is σ = 279579701736. Its totient is φ = 47998834688.

The previous prime is 120123210307. The next prime is 120123210353. The reversal of 120123210320 is 23012321021.

It can be written as a sum of positive squares in 4 ways, for example, as 1878008896 + 118245201424 = 43336^2 + 343868^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 711557 + ... + 864036.

Almost surely, 2^120123210320 is an apocalyptic number.

120123210320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120123210320 is an abundant number, since it is smaller than the sum of its proper divisors (159456491416).

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

120123210320 is a wasteful number, since it uses less digits than its factorization.

120123210320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576559 (or 1576553 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 120123210320 its reverse (23012321021), we get a palindrome (143135531341).

The spelling of 120123210320 in words is "one hundred twenty billion, one hundred twenty-three million, two hundred ten thousand, three hundred twenty".