1021132212 has 12 divisors (see below), whose sum is σ = 2382641856. Its totient is φ = 340377400.

The previous prime is 1021132207. The next prime is 1021132237. The reversal of 1021132212 is 2122311201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1021132191 and 1021132200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42547164 + ... + 42547187.

It is an arithmetic number, because the mean of its divisors is an integer number (198553488).

Almost surely, 2^1021132212 is an apocalyptic number.

1021132212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021132212 is an abundant number, since it is smaller than the sum of its proper divisors (1361509644).

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

1021132212 is a wasteful number, since it uses less digits than its factorization.

1021132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85094358 (or 85094356 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1021132212 is about 31955.1593956281. The cubic root of 1021132212 is about 1006.9950261855.

Adding to 1021132212 its reverse (2122311201), we get a palindrome (3143443413).

The spelling of 1021132212 in words is "one billion, twenty-one million, one hundred thirty-two thousand, two hundred twelve".