212011132123 has 8 divisors (see below), whose sum is σ = 242616837600. Its totient is φ = 181485026880.

The previous prime is 212011132051. The next prime is 212011132181. The reversal of 212011132123 is 321231110212.

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

It is a cyclic number.

It is not a de Polignac number, because 212011132123 - 2²¹ = 212009034971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212011132123.

It is not an unprimeable number, because it can be changed into a prime (212011132523) 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, 19894348 + ... + 19905001.

It is an arithmetic number, because the mean of its divisors is an integer number (30327104700).

Almost surely, 2^212011132123 is an apocalyptic number.

212011132123 is a deficient number, since it is larger than the sum of its proper divisors (30605705477).

212011132123 is an equidigital number, since it uses as much as digits as its factorization.

212011132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39800117.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212011132123 its reverse (321231110212), we get a palindrome (533242242335).

The spelling of 212011132123 in words is "two hundred twelve billion, eleven million, one hundred thirty-two thousand, one hundred twenty-three".