120021258830 has 48 divisors (see below), whose sum is σ = 240131893680. Its totient is φ = 43153672320.

The previous prime is 120021258793. The next prime is 120021258887. The reversal of 120021258830 is 38852120021.

It is a happy number.

It is a super-2 number, since 2×120021258830² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449564 + ... + 664943.

It is an arithmetic number, because the mean of its divisors is an integer number (5002747785).

Almost surely, 2^120021258830 is an apocalyptic number.

120021258830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021258830 is an abundant number, since it is smaller than the sum of its proper divisors (120110634850).

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

120021258830 is a wasteful number, since it uses less digits than its factorization.

120021258830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114625 (or 1114614 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

Adding to 120021258830 its reverse (38852120021), we get a palindrome (158873378851).

The spelling of 120021258830 in words is "one hundred twenty billion, twenty-one million, two hundred fifty-eight thousand, eight hundred thirty".