1021211232 has 48 divisors (see below), whose sum is σ = 2682760752. Its totient is φ = 340139520.

The previous prime is 1021211209. The next prime is 1021211251. The reversal of 1021211232 is 2321121201.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149982 + ... + 156642.

It is an arithmetic number, because the mean of its divisors is an integer number (55890849).

Almost surely, 2^1021211232 is an apocalyptic number.

1021211232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021211232 is an abundant number, since it is smaller than the sum of its proper divisors (1661549520).

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

1021211232 is a wasteful number, since it uses less digits than its factorization.

1021211232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271 (or 8263 counting only the distinct ones).

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

The square root of 1021211232 is about 31956.3957917660. The cubic root of 1021211232 is about 1007.0210008483.

Adding to 1021211232 its reverse (2321121201), we get a palindrome (3342332433).

The spelling of 1021211232 in words is "one billion, twenty-one million, two hundred eleven thousand, two hundred thirty-two".