1012000102200 has 144 divisors (see below), whose sum is σ = 3399162595920. Its totient is φ = 269824696320.

The previous prime is 1012000102159. The next prime is 1012000102207. The reversal of 1012000102200 is 22010002101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012000102207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12529144 + ... + 12609656.

It is an arithmetic number, because the mean of its divisors is an integer number (23605295805).

Almost surely, 2^{1012000102200} is an apocalyptic number.

1012000102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012000102200 is an abundant number, since it is smaller than the sum of its proper divisors (2387162493720).

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

1012000102200 is a wasteful number, since it uses less digits than its factorization.

1012000102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87518 (or 87506 counting only the distinct ones).

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

Adding to 1012000102200 its reverse (22010002101), we get a palindrome (1034010104301).

The spelling of 1012000102200 in words is "one trillion, twelve billion, one hundred two thousand, two hundred".