1012111200010 has 16 divisors (see below), whose sum is σ = 1821811905000. Its totient is φ = 404841870016.

The previous prime is 1012111199989. The next prime is 1012111200011. The reversal of 1012111200010 is 100021112101.

It can be written as a sum of positive squares in 4 ways, for example, as 417733420329 + 594377779681 = 646323^2 + 770959^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 1012111200010.

It is not an unprimeable number, because it can be changed into a prime (1012111200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340216 + ... + 2738764.

Almost surely, 2^{1012111200010} is an apocalyptic number.

1012111200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012111200010 is a deficient number, since it is larger than the sum of its proper divisors (809700704990).

1012111200010 is a wasteful number, since it uses less digits than its factorization.

1012111200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652505.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1012111200010 its reverse (100021112101), we get a palindrome (1112132312111).

It can be divided in two parts, 1012111 and 200010, that added together give a palindrome (1212121).

The spelling of 1012111200010 in words is "one trillion, twelve billion, one hundred eleven million, two hundred thousand, ten".