11212122232 has 8 divisors (see below), whose sum is σ = 21022729200. Its totient is φ = 5606061112.

The previous prime is 11212122221. The next prime is 11212122239. The reversal of 11212122232 is 23222121211.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212122239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700757632 + ... + 700757647.

It is an arithmetic number, because the mean of its divisors is an integer number (2627841150).

Almost surely, 2^11212122232 is an apocalyptic number.

It is an amenable number.

11212122232 is a deficient number, since it is larger than the sum of its proper divisors (9810606968).

11212122232 is a wasteful number, since it uses less digits than its factorization.

11212122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401515285 (or 1401515281 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

Adding to 11212122232 its reverse (23222121211), we get a palindrome (34434243443).

The spelling of 11212122232 in words is "eleven billion, two hundred twelve million, one hundred twenty-two thousand, two hundred thirty-two".