11212200023 has 16 divisors (see below), whose sum is σ = 11791306080. Its totient is φ = 10646461056.

The previous prime is 11212200019. The next prime is 11212200047. The reversal of 11212200023 is 32000221211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11212200023 - 2² = 11212200019 is a prime.

It is a super-2 number, since 2×11212200023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11212199980 and 11212200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212200073) 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, 1264361 + ... + 1273197.

It is an arithmetic number, because the mean of its divisors is an integer number (736956630).

Almost surely, 2^11212200023 is an apocalyptic number.

11212200023 is a deficient number, since it is larger than the sum of its proper divisors (579106057).

11212200023 is an equidigital number, since it uses as much as digits as its factorization.

11212200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9586.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11212200023 its reverse (32000221211), we get a palindrome (43212421234).

The spelling of 11212200023 in words is "eleven billion, two hundred twelve million, two hundred thousand, twenty-three".