2133021212 has 24 divisors (see below), whose sum is σ = 4516987104. Its totient is φ = 860378112.

The previous prime is 2133021211. The next prime is 2133021223. The reversal of 2133021212 is 2121203312.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133021211) 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, 2240093 + ... + 2241044.

It is an arithmetic number, because the mean of its divisors is an integer number (188207796).

Almost surely, 2^2133021212 is an apocalyptic number.

It is an amenable number.

2133021212 is an abundant number, since it is smaller than the sum of its proper divisors (2383965892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133021212 is a wasteful number, since it uses less digits than its factorization.

2133021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481165 (or 4481163 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2133021212 is about 46184.6425990285. The cubic root of 2133021212 is about 1287.2563951967.

Adding to 2133021212 its reverse (2121203312), we get a palindrome (4254224524).

The spelling of 2133021212 in words is "two billion, one hundred thirty-three million, twenty-one thousand, two hundred twelve".