1012020111012 has 24 divisors (see below), whose sum is σ = 2363922136800. Its totient is φ = 336976911616.

The previous prime is 1012020111007. The next prime is 1012020111031. The reversal of 1012020111012 is 2101110202101.

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

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, 45379062 + ... + 45401357.

It is an arithmetic number, because the mean of its divisors is an integer number (98496755700).

Almost surely, 2^{1012020111012} is an apocalyptic number.

1012020111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012020111012 is an abundant number, since it is smaller than the sum of its proper divisors (1351902025788).

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

1012020111012 is a wasteful number, since it uses less digits than its factorization.

1012020111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90781355 (or 90781353 counting only the distinct ones).

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

Adding to 1012020111012 its reverse (2101110202101), we get a palindrome (3113130313113).

The spelling of 1012020111012 in words is "one trillion, twelve billion, twenty million, one hundred eleven thousand, twelve".