2021232212 has 6 divisors (see below), whose sum is σ = 3537156378. Its totient is φ = 1010616104.

The previous prime is 2021232197. The next prime is 2021232223. The reversal of 2021232212 is 2122321202.

It can be written as a sum of positive squares in only one way, i.e., 1473484996 + 547747216 = 38386^2 + 23404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252654023 + ... + 252654030.

It is an arithmetic number, because the mean of its divisors is an integer number (589526063).

Almost surely, 2^2021232212 is an apocalyptic number.

It is an amenable number.

2021232212 is a deficient number, since it is larger than the sum of its proper divisors (1515924166).

2021232212 is a wasteful number, since it uses less digits than its factorization.

2021232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505308057 (or 505308055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2021232212 is about 44958.1161971896. The cubic root of 2021232212 is about 1264.3638501819.

Adding to 2021232212 its reverse (2122321202), we get a palindrome (4143553414).

The spelling of 2021232212 in words is "two billion, twenty-one million, two hundred thirty-two thousand, two hundred twelve".