2121232264 has 16 divisors (see below), whose sum is σ = 4015926720. Its totient is φ = 1050318480.

The previous prime is 2121232259. The next prime is 2121232279. The reversal of 2121232264 is 4622321212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286332 + ... + 1287979.

It is an arithmetic number, because the mean of its divisors is an integer number (250995420).

Almost surely, 2^2121232264 is an apocalyptic number.

It is an amenable number.

2121232264 is a deficient number, since it is larger than the sum of its proper divisors (1894694456).

2121232264 is a wasteful number, since it uses less digits than its factorization.

2121232264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574420 (or 2574416 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 2121232264 is about 46056.8373208582. The cubic root of 2121232264 is about 1284.8805097146.

Adding to 2121232264 its reverse (4622321212), we get a palindrome (6743553476).

The spelling of 2121232264 in words is "two billion, one hundred twenty-one million, two hundred thirty-two thousand, two hundred sixty-four".