30211232120123 has 32 divisors (see below), whose sum is σ = 31610623161600. Its totient is φ = 28847991744000.

The previous prime is 30211232120101. The next prime is 30211232120137. The reversal of 30211232120123 is 32102123211203.

It is a cyclic number.

It is not a de Polignac number, because 30211232120123 - 2⁶ = 30211232120059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30211232120323) 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, 650366048 + ... + 650412498.

It is an arithmetic number, because the mean of its divisors is an integer number (987831973800).

Almost surely, 2^{30211232120123} is an apocalyptic number.

30211232120123 is a deficient number, since it is larger than the sum of its proper divisors (1399391041477).

30211232120123 is a wasteful number, since it uses less digits than its factorization.

30211232120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47723.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30211232120123 its reverse (32102123211203), we get a palindrome (62313355331326).

The spelling of 30211232120123 in words is "thirty trillion, two hundred eleven billion, two hundred thirty-two million, one hundred twenty thousand, one hundred twenty-three".