1010020110012 has 18 divisors (see below), whose sum is σ = 2553106389288. Its totient is φ = 336673369992.

The previous prime is 1010020109963. The next prime is 1010020110019. The reversal of 1010020110012 is 2100110200101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

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 = 1010020109976 and 1010020110003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010020110019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14028057048 + ... + 14028057119.

Almost surely, 2^{1010020110012} is an apocalyptic number.

1010020110012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010020110012 is an abundant number, since it is smaller than the sum of its proper divisors (1543086279276).

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

1010020110012 is a wasteful number, since it uses less digits than its factorization.

1010020110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28056114177 (or 28056114172 counting only the distinct ones).

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

Adding to 1010020110012 its reverse (2100110200101), we get a palindrome (3110130310113).

The spelling of 1010020110012 in words is "one trillion, ten billion, twenty million, one hundred ten thousand, twelve".