2211232012 has 24 divisors (see below), whose sum is σ = 4223241792. Its totient is φ = 1004677200.

The previous prime is 2211231961. The next prime is 2211232019. The reversal of 2211232012 is 2102321122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2211232019) 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, 108687 + ... + 127417.

It is an arithmetic number, because the mean of its divisors is an integer number (175968408).

Almost surely, 2^2211232012 is an apocalyptic number.

2211232012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2211232012 is a deficient number, since it is larger than the sum of its proper divisors (2012009780).

2211232012 is a wasteful number, since it uses less digits than its factorization.

2211232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21429 (or 21427 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2211232012 is about 47023.7388134972. The cubic root of 2211232012 is about 1302.8010632735.

Adding to 2211232012 its reverse (2102321122), we get a palindrome (4313553134).

The spelling of 2211232012 in words is "two billion, two hundred eleven million, two hundred thirty-two thousand, twelve".