1012221032 has 16 divisors (see below), whose sum is σ = 1942052640. Its totient is φ = 494340336.

The previous prime is 1012221031. The next prime is 1012221037. The reversal of 1012221032 is 2301222101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012220998 and 1012221016.

It is not an unprimeable number, because it can be changed into a prime (1012221031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470908 + ... + 1471595.

It is an arithmetic number, because the mean of its divisors is an integer number (121378290).

Almost surely, 2^1012221032 is an apocalyptic number.

It is an amenable number.

1012221032 is a deficient number, since it is larger than the sum of its proper divisors (929831608).

1012221032 is a wasteful number, since it uses less digits than its factorization.

1012221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942552 (or 2942548 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1012221032 is about 31815.4212921973. The cubic root of 1012221032 is about 1004.0571942466.

Adding to 1012221032 its reverse (2301222101), we get a palindrome (3313443133).

The spelling of 1012221032 in words is "one billion, twelve million, two hundred twenty-one thousand, thirty-two".