1012332220 has 24 divisors (see below), whose sum is σ = 2126746944. Its totient is φ = 404771136.

The previous prime is 1012332199. The next prime is 1012332221. The reversal of 1012332220 is 222332101.

It is a junction number, because it is equal to n+sod(n) for n = 1012332194 and 1012332203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012332221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49894 + ... + 67186.

It is an arithmetic number, because the mean of its divisors is an integer number (88614456).

Almost surely, 2^1012332220 is an apocalyptic number.

1012332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012332220 is an abundant number, since it is smaller than the sum of its proper divisors (1114414724).

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

1012332220 is a wasteful number, since it uses less digits than its factorization.

1012332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20229 (or 20227 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1012332220 is about 31817.1686358167. The cubic root of 1012332220 is about 1004.0939566467.

Adding to 1012332220 its reverse (222332101), we get a palindrome (1234664321).

The spelling of 1012332220 in words is "one billion, twelve million, three hundred thirty-two thousand, two hundred twenty".