212212332123 has 16 divisors (see below), whose sum is σ = 308818667136. Its totient is φ = 128552624640.

The previous prime is 212212332121. The next prime is 212212332229. The reversal of 212212332123 is 321233212212.

It is not a de Polignac number, because 212212332123 - 2¹ = 212212332121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212212332093 and 212212332102.

It is not an unprimeable number, because it can be changed into a prime (212212332121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1451965 + ... + 1591422.

It is an arithmetic number, because the mean of its divisors is an integer number (19301166696).

Almost surely, 2^212212332123 is an apocalyptic number.

212212332123 is a deficient number, since it is larger than the sum of its proper divisors (96606335013).

212212332123 is a wasteful number, since it uses less digits than its factorization.

212212332123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045514.

The product of its digits is 1728, while the sum is 24.

Adding to 212212332123 its reverse (321233212212), we get a palindrome (533445544335).

The spelling of 212212332123 in words is "two hundred twelve billion, two hundred twelve million, three hundred thirty-two thousand, one hundred twenty-three".