1021232212 has 48 divisors (see below), whose sum is σ = 2399548032. Its totient is φ = 367274880.

The previous prime is 1021232209. The next prime is 1021232213. The reversal of 1021232212 is 2122321201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021232213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123523 + ... + 131530.

It is an arithmetic number, because the mean of its divisors is an integer number (49990584).

Almost surely, 2^1021232212 is an apocalyptic number.

It is an amenable number.

1021232212 is an abundant number, since it is smaller than the sum of its proper divisors (1378315820).

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

1021232212 is a wasteful number, since it uses less digits than its factorization.

1021232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255088 (or 255086 counting only the distinct ones).

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

The square root of 1021232212 is about 31956.7240498772. The cubic root of 1021232212 is about 1007.0278969586.

Adding to 1021232212 its reverse (2122321201), we get a palindrome (3143553413).

It can be divided in two parts, 10212 and 32212, that added together give a palindrome (42424).

The spelling of 1021232212 in words is "one billion, twenty-one million, two hundred thirty-two thousand, two hundred twelve".