1012020112000 has 64 divisors (see below), whose sum is σ = 2516135043240. Its totient is φ = 404808038400.

The previous prime is 1012020111967. The next prime is 1012020112021. The reversal of 1012020112000 is 2110202101.

It can be written as a sum of positive squares in 4 ways, for example, as 125695775296 + 886324336704 = 354536^2 + 941448^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31609629 + ... + 31641628.

Almost surely, 2^{1012020112000} is an apocalyptic number.

1012020112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012020112000 is an abundant number, since it is smaller than the sum of its proper divisors (1504114931240).

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

1012020112000 is an frugal number, since it uses more digits than its factorization.

1012020112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63251286 (or 63251264 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1012020112000 its reverse (2110202101), we get a palindrome (1014130314101).

The spelling of 1012020112000 in words is "one trillion, twelve billion, twenty million, one hundred twelve thousand".