30012121323 has 32 divisors (see below), whose sum is σ = 44852097600. Its totient is φ = 19833147648.

The previous prime is 30012121301. The next prime is 30012121339. The reversal of 30012121323 is 32312121003.

30012121323 is a `hidden beast` number, since 300 + 1 + 21 + 21 + 323 = 666.

It is not a de Polignac number, because 30012121323 - 2²⁰ = 30011072747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30012121296 and 30012121305.

It is not an unprimeable number, because it can be changed into a prime (30012121393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2705833 + ... + 2716901.

It is an arithmetic number, because the mean of its divisors is an integer number (1401628050).

Almost surely, 2^30012121323 is an apocalyptic number.

30012121323 is a deficient number, since it is larger than the sum of its proper divisors (14839976277).

30012121323 is a wasteful number, since it uses less digits than its factorization.

30012121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11948 (or 11942 counting only the distinct ones).

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

Adding to 30012121323 its reverse (32312121003), we get a palindrome (62324242326).

The spelling of 30012121323 in words is "thirty billion, twelve million, one hundred twenty-one thousand, three hundred twenty-three".