1012220331132 has 24 divisors (see below), whose sum is σ = 2363343270400. Its totient is φ = 337193086896.

The previous prime is 1012220331107. The next prime is 1012220331163. The reversal of 1012220331132 is 2311330222101.

It is a junction number, because it is equal to n+sod(n) for n = 1012220331099 and 1012220331108.

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 7 ways as a sum of consecutive naturals, for example, 26691532 + ... + 26729427.

Almost surely, 2^{1012220331132} is an apocalyptic number.

1012220331132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012220331132 is an abundant number, since it is smaller than the sum of its proper divisors (1351122939268).

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

1012220331132 is a wasteful number, since it uses less digits than its factorization.

1012220331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53422545 (or 53422543 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1012220331132 its reverse (2311330222101), we get a palindrome (3323550553233).

The spelling of 1012220331132 in words is "one trillion, twelve billion, two hundred twenty million, three hundred thirty-one thousand, one hundred thirty-two".