30012123299999 has 4 divisors (see below), whose sum is σ = 31777542317664. Its totient is φ = 28246704282336.

The previous prime is 30012123299989. The next prime is 30012123300037. The reversal of 30012123299999 is 99999232121003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30012123299999 - 2²⁸ = 30011854864543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012123299969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882709508807 + ... + 882709508840.

It is an arithmetic number, because the mean of its divisors is an integer number (7944385579416).

Almost surely, 2^{30012123299999} is an apocalyptic number.

30012123299999 is a deficient number, since it is larger than the sum of its proper divisors (1765419017665).

30012123299999 is a wasteful number, since it uses less digits than its factorization.

30012123299999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765419017664.

The product of its (nonzero) digits is 4251528, while the sum is 59.

The spelling of 30012123299999 in words is "thirty trillion, twelve billion, one hundred twenty-three million, two hundred ninety-nine thousand, nine hundred ninety-nine".