1021443234012 has 36 divisors (see below), whose sum is σ = 2582166544776. Its totient is φ = 340456677600.

The previous prime is 1021443234011. The next prime is 1021443234029. The reversal of 1021443234012 is 2104323441201.

1021443234012 is a `hidden beast` number, since 1 + 0 + 214 + 43 + 2 + 3 + 401 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1021443234012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021443234011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503823 + ... + 1515494.

It is an arithmetic number, because the mean of its divisors is an integer number (71726848466).

Almost surely, 2^{1021443234012} is an apocalyptic number.

1021443234012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021443234012 is an abundant number, since it is smaller than the sum of its proper divisors (1560723310764).

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

1021443234012 is a wasteful number, since it uses less digits than its factorization.

1021443234012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033378 (or 2033373 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1021443234012 its reverse (2104323441201), we get a palindrome (3125766675213).

The spelling of 1021443234012 in words is "one trillion, twenty-one billion, four hundred forty-three million, two hundred thirty-four thousand, twelve".