1210010111012 has 18 divisors (see below), whose sum is σ = 2170424156754. Its totient is φ = 590248831360.

The previous prime is 1210010110993. The next prime is 1210010111017. The reversal of 1210010111012 is 2101110100121.

It can be written as a sum of positive squares in 3 ways, for example, as 219376077376 + 990634033636 = 468376^2 + 995306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1210010110984 and 1210010111002.

It is not an unprimeable number, because it can be changed into a prime (1210010111017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89970233 + ... + 89983680.

Almost surely, 2^{1210010111012} is an apocalyptic number.

It is an amenable number.

1210010111012 is a deficient number, since it is larger than the sum of its proper divisors (960414045742).

1210010111012 is a wasteful number, since it uses less digits than its factorization.

1210010111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179953999 (or 179953956 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1210010111012 its reverse (2101110100121), we get a palindrome (3311120211133).

The spelling of 1210010111012 in words is "one trillion, two hundred ten billion, ten million, one hundred eleven thousand, twelve".