1012220032 has 32 divisors (see below), whose sum is σ = 2018017980. Its totient is φ = 505737216.

The previous prime is 1012220021. The next prime is 1012220039. The reversal of 1012220032 is 2300222101.

It can be written as a sum of positive squares in 2 ways, for example, as 763085376 + 249134656 = 27624^2 + 15784^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1012219994 and 1012220021.

It is not an unprimeable number, because it can be changed into a prime (1012220039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273748 + ... + 277420.

Almost surely, 2^1012220032 is an apocalyptic number.

It is an amenable number.

1012220032 is a deficient number, since it is larger than the sum of its proper divisors (1005797948).

1012220032 is an equidigital number, since it uses as much as digits as its factorization.

1012220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840 (or 5828 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1012220032 is about 31815.4055765442. The cubic root of 1012220032 is about 1004.0568636016.

Adding to 1012220032 its reverse (2300222101), we get a palindrome (3312442133).

The spelling of 1012220032 in words is "one billion, twelve million, two hundred twenty thousand, thirty-two".