120001302320 has 40 divisors (see below), whose sum is σ = 279438409440. Its totient is φ = 47925616640.

The previous prime is 120001302313. The next prime is 120001302349. The reversal of 120001302320 is 23203100021.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 120001302295 and 120001302304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118780 + ... + 1221339.

It is an arithmetic number, because the mean of its divisors is an integer number (6985960236).

Almost surely, 2^120001302320 is an apocalyptic number.

120001302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001302320 is an abundant number, since it is smaller than the sum of its proper divisors (159437107120).

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

120001302320 is a wasteful number, since it uses less digits than its factorization.

120001302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340773 (or 2340767 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 120001302320 its reverse (23203100021), we get a palindrome (143204402341).

The spelling of 120001302320 in words is "one hundred twenty billion, one million, three hundred two thousand, three hundred twenty".