1012231223112 has 16 divisors (see below), whose sum is σ = 2530578057840. Its totient is φ = 337410407696.

The previous prime is 1012231223027. The next prime is 1012231223177. The reversal of 1012231223112 is 2113221322101.

It is a super-2 number, since 2×1012231223112² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21088150458 + ... + 21088150505.

It is an arithmetic number, because the mean of its divisors is an integer number (158161128615).

Almost surely, 2^{1012231223112} is an apocalyptic number.

1012231223112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012231223112 is an abundant number, since it is smaller than the sum of its proper divisors (1518346834728).

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

1012231223112 is a wasteful number, since it uses less digits than its factorization.

1012231223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42176300972 (or 42176300968 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1012231223112 its reverse (2113221322101), we get a palindrome (3125452545213).

The spelling of 1012231223112 in words is "one trillion, twelve billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred twelve".