1012143401112 has 32 divisors (see below), whose sum is σ = 2578101119280. Its totient is φ = 331015451520.

The previous prime is 1012143401083. The next prime is 1012143401117. The reversal of 1012143401112 is 2111043412101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012143401117) 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, 397853839 + ... + 397856382.

Almost surely, 2^{1012143401112} is an apocalyptic number.

1012143401112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012143401112 is an abundant number, since it is smaller than the sum of its proper divisors (1565957718168).

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

1012143401112 is a wasteful number, since it uses less digits than its factorization.

1012143401112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795710283 (or 795710279 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1012143401112 its reverse (2111043412101), we get a palindrome (3123186813213).

The spelling of 1012143401112 in words is "one trillion, twelve billion, one hundred forty-three million, four hundred one thousand, one hundred twelve".