30123002130120 has 128 divisors (see below), whose sum is σ = 100764813801600. Its totient is φ = 8004416032512.

The previous prime is 30123002130103. The next prime is 30123002130217. The reversal of 30123002130120 is 2103120032103.

30123002130120 is a `hidden beast` number, since 30 + 1 + 2 + 300 + 213 + 0 + 120 = 666.

It is a super-2 number, since 2×30123002130120² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30123002130093 and 30123002130102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48972927 + ... + 49584206.

It is an arithmetic number, because the mean of its divisors is an integer number (787225107825).

Almost surely, 2^{30123002130120} is an apocalyptic number.

30123002130120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30123002130120 is an abundant number, since it is smaller than the sum of its proper divisors (70641811671480).

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

30123002130120 is a wasteful number, since it uses less digits than its factorization.

30123002130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98557436 (or 98557426 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30123002130120 its reverse (2103120032103), we get a palindrome (32226122162223).

The spelling of 30123002130120 in words is "thirty trillion, one hundred twenty-three billion, two million, one hundred thirty thousand, one hundred twenty".