1021010112012 has 24 divisors (see below), whose sum is σ = 2598934830912. Its totient is φ = 309397003600.

The previous prime is 1021010112011. The next prime is 1021010112013. The reversal of 1021010112012 is 2102110101201.

It is an interprime number because it is at equal distance from previous prime (1021010112011) and next prime (1021010112013).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1021010112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3867462414 + ... + 3867462677.

It is an arithmetic number, because the mean of its divisors is an integer number (108288951288).

Almost surely, 2^{1021010112012} is an apocalyptic number.

1021010112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021010112012 is an abundant number, since it is smaller than the sum of its proper divisors (1577924718900).

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

1021010112012 is a wasteful number, since it uses less digits than its factorization.

1021010112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734925109 (or 7734925107 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021010112012 its reverse (2102110101201), we get a palindrome (3123120213213).

The spelling of 1021010112012 in words is "one trillion, twenty-one billion, ten million, one hundred twelve thousand, twelve".