30012120320100 has 36 divisors (see below), whose sum is σ = 86835068127024. Its totient is φ = 8003232085280.

The previous prime is 30012120320089. The next prime is 30012120320141. The reversal of 30012120320100 is 102302121003.

It is a super-2 number, since 2×30012120320100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30012120320100.

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 11 ways as a sum of consecutive naturals, for example, 50020200234 + ... + 50020200833.

Almost surely, 2^{30012120320100} is an apocalyptic number.

30012120320100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30012120320100 is an abundant number, since it is smaller than the sum of its proper divisors (56822947806924).

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

30012120320100 is a wasteful number, since it uses less digits than its factorization.

30012120320100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100040401084 (or 100040401077 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30012120320100 its reverse (102302121003), we get a palindrome (30114422441103).

The spelling of 30012120320100 in words is "thirty trillion, twelve billion, one hundred twenty million, three hundred twenty thousand, one hundred".