11212322123 has 8 divisors (see below), whose sum is σ = 11842731600. Its totient is φ = 10585941408.

The previous prime is 11212322119. The next prime is 11212322129. The reversal of 11212322123 is 32122321211.

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 11212322123 - 2² = 11212322119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11212322095 and 11212322104.

It is not an unprimeable number, because it can be changed into a prime (11212322129) 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, 1001468 + ... + 1012601.

It is an arithmetic number, because the mean of its divisors is an integer number (1480341450).

Almost surely, 2^11212322123 is an apocalyptic number.

11212322123 is a deficient number, since it is larger than the sum of its proper divisors (630409477).

11212322123 is a wasteful number, since it uses less digits than its factorization.

11212322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014381.

The product of its digits is 288, while the sum is 20.

Adding to 11212322123 its reverse (32122321211), we get a palindrome (43334643334).

The spelling of 11212322123 in words is "eleven billion, two hundred twelve million, three hundred twenty-two thousand, one hundred twenty-three".