1012001212118 has 32 divisors (see below), whose sum is σ = 1637901052704. Its totient is φ = 466183694592.

The previous prime is 1012001212111. The next prime is 1012001212127. The reversal of 1012001212118 is 8112121002101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012001212118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012001212111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72294296 + ... + 72308292.

It is an arithmetic number, because the mean of its divisors is an integer number (51184407897).

Almost surely, 2^{1012001212118} is an apocalyptic number.

1012001212118 is a deficient number, since it is larger than the sum of its proper divisors (625899840586).

1012001212118 is a wasteful number, since it uses less digits than its factorization.

1012001212118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19136.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 1012001212118 its reverse (8112121002101), we get a palindrome (9124122214219).

The spelling of 1012001212118 in words is "one trillion, twelve billion, one million, two hundred twelve thousand, one hundred eighteen".