1000111212010 has 16 divisors (see below), whose sum is σ = 1800238696200. Its totient is φ = 400035926016.

The previous prime is 1000111211917. The next prime is 1000111212011. The reversal of 1000111212010 is 102121110001.

1000111212010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 635991895081 + 364119316929 = 797491^2 + 603423^2 .

It is a super-2 number, since 2×1000111212010² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1000111212011) 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, 567855 + ... + 1524034.

Almost surely, 2^{1000111212010} is an apocalyptic number.

1000111212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000111212010 is a deficient number, since it is larger than the sum of its proper divisors (800127484190).

1000111212010 is a wasteful number, since it uses less digits than its factorization.

1000111212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139705.

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

Adding to 1000111212010 its reverse (102121110001), we get a palindrome (1102232322011).

It can be divided in two parts, 1000111 and 212010, that added together give a palindrome (1212121).

The spelling of 1000111212010 in words is "one trillion, one hundred eleven million, two hundred twelve thousand, ten".