1010020012200 has 192 divisors, whose sum is σ = 3502309320000. Its totient is φ = 267530814720.

The previous prime is 1010020012151. The next prime is 1010020012201. The reversal of 1010020012200 is 22100200101.

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

It is not an unprimeable number, because it can be changed into a prime (1010020012201) 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, 176947 + ... + 1432253.

It is an arithmetic number, because the mean of its divisors is an integer number (18241194375).

Almost surely, 2^{1010020012200} is an apocalyptic number.

1010020012200 is a gapful number since it is divisible by the number (10) 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 1010020012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751154660000).

1010020012200 is an abundant number, since it is smaller than the sum of its proper divisors (2492289307800).

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

1010020012200 is a wasteful number, since it uses less digits than its factorization.

1010020012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255481 (or 1255466 counting only the distinct ones).

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

Adding to 1010020012200 its reverse (22100200101), we get a palindrome (1032120212301).

It can be divided in two parts, 10100200 and 12200, that added together give a square (10112400 = 3180²).

The spelling of 1010020012200 in words is "one trillion, ten billion, twenty million, twelve thousand, two hundred".