30002012123 has 2 divisors, whose sum is σ = 30002012124. Its totient is φ = 30002012122.

The previous prime is 30002012099. The next prime is 30002012129. The reversal of 30002012123 is 32121020003.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30002012123 - 2²⁴ = 29985234907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30002012098 and 30002012107.

It is not a weakly prime, because it can be changed into another prime (30002012129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001006061 + 15001006062.

It is an arithmetic number, because the mean of its divisors is an integer number (15001006062).

Almost surely, 2^30002012123 is an apocalyptic number.

30002012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

30002012123 is an equidigital number, since it uses as much as digits as its factorization.

30002012123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30002012123 its reverse (32121020003), we get a palindrome (62123032126).

The spelling of 30002012123 in words is "thirty billion, two million, twelve thousand, one hundred twenty-three".