1012000020200 has 72 divisors (see below), whose sum is σ = 2547814928850. Its totient is φ = 373661533440.

The previous prime is 1012000020173. The next prime is 1012000020211. The reversal of 1012000020200 is 20200002101.

It can be written as a sum of positive squares in 9 ways, for example, as 228707758756 + 783292261444 = 478234^2 + 885038^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14936615 + ... + 15004214.

Almost surely, 2^{1012000020200} is an apocalyptic number.

1012000020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012000020200 is an abundant number, since it is smaller than the sum of its proper divisors (1535814908650).

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

1012000020200 is a wasteful number, since it uses less digits than its factorization.

1012000020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29940871 (or 29940849 counting only the distinct ones).

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

Adding to 1012000020200 its reverse (20200002101), we get a palindrome (1032200022301).

The spelling of 1012000020200 in words is "one trillion, twelve billion, twenty thousand, two hundred".