10010020020012 has 144 divisors (see below), whose sum is σ = 26734316700000. Its totient is φ = 3149269797888.

The previous prime is 10010020020001. The next prime is 10010020020019. The reversal of 10010020020012 is 21002002001001.

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 = 10010020019976 and 10010020020003.

It is not an unprimeable number, because it can be changed into a prime (10010020020019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 284770614 + ... + 284805762.

Almost surely, 2^{10010020020012} is an apocalyptic number.

10010020020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10010020020012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13367158350000).

10010020020012 is an abundant number, since it is smaller than the sum of its proper divisors (16724296679988).

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

10010020020012 is a wasteful number, since it uses less digits than its factorization.

10010020020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36720 (or 36715 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10010020020012 its reverse (21002002001001), we get a palindrome (31012022021013).

The spelling of 10010020020012 in words is "ten trillion, ten billion, twenty million, twenty thousand, twelve".