1010020011012 has 60 divisors (see below), whose sum is σ = 2779359826320. Its totient is φ = 318953685744.

The previous prime is 1010020010999. The next prime is 1010020011037. The reversal of 1010020011012 is 2101100200101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1010020010985 and 1010020011003.

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 19 ways as a sum of consecutive naturals, for example, 82029258 + ... + 82041569.

It is an arithmetic number, because the mean of its divisors is an integer number (46322663772).

Almost surely, 2^{1010020011012} is an apocalyptic number.

1010020011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010020011012 is an abundant number, since it is smaller than the sum of its proper divisors (1769339815308).

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

1010020011012 is a wasteful number, since it uses less digits than its factorization.

1010020011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164070862 (or 164070851 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1010020011012 its reverse (2101100200101), we get a palindrome (3111120211113).

The spelling of 1010020011012 in words is "one trillion, ten billion, twenty million, eleven thousand, twelve".