30120001320 has 64 divisors (see below), whose sum is σ = 90403568640. Its totient is φ = 8028128000.

The previous prime is 30120001259. The next prime is 30120001343. The reversal of 30120001320 is 2310002103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30120001296 and 30120001305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193870 + ... + 312770.

It is an arithmetic number, because the mean of its divisors is an integer number (1412555760).

Almost surely, 2^30120001320 is an apocalyptic number.

30120001320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30120001320 is an abundant number, since it is smaller than the sum of its proper divisors (60283567320).

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

30120001320 is a wasteful number, since it uses less digits than its factorization.

30120001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121026 (or 121022 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30120001320 its reverse (2310002103), we get a palindrome (32430003423).

The spelling of 30120001320 in words is "thirty billion, one hundred twenty million, one thousand, three hundred twenty".