212120330032123 has 8 divisors (see below), whose sum is σ = 215620381330016. Its totient is φ = 208621009987200.

The previous prime is 212120330032057. The next prime is 212120330032139. The reversal of 212120330032123 is 321230033021212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212120330032123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212120330032223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182228286 + ... + 183388627.

It is an arithmetic number, because the mean of its divisors is an integer number (26952547666252).

Almost surely, 2^{212120330032123} is an apocalyptic number.

212120330032123 is a deficient number, since it is larger than the sum of its proper divisors (3500051297893).

212120330032123 is an equidigital number, since it uses as much as digits as its factorization.

212120330032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365626485.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 212120330032123 its reverse (321230033021212), we get a palindrome (533350363053335).

The spelling of 212120330032123 in words is "two hundred twelve trillion, one hundred twenty billion, three hundred thirty million, thirty-two thousand, one hundred twenty-three".