30628121101123 has 32 divisors (see below), whose sum is σ = 39950089232256. Its totient is φ = 22786885675008.

The previous prime is 30628121101091. The next prime is 30628121101129. The reversal of 30628121101123 is 32110112182603.

It is not a de Polignac number, because 30628121101123 - 2⁵ = 30628121101091 is a prime.

It is a super-2 number, since 2×30628121101123² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30628121101129) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7366036 + ... + 10747777.

It is an arithmetic number, because the mean of its divisors is an integer number (1248440288508).

Almost surely, 2^{30628121101123} is an apocalyptic number.

30628121101123 is a deficient number, since it is larger than the sum of its proper divisors (9321968131133).

30628121101123 is a wasteful number, since it uses less digits than its factorization.

30628121101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18114943.

The product of its (nonzero) digits is 3456, while the sum is 31.

Adding to 30628121101123 its reverse (32110112182603), we get a palindrome (62738233283726).

The spelling of 30628121101123 in words is "thirty trillion, six hundred twenty-eight billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-three".