1212112119999 has 32 divisors (see below), whose sum is σ = 1828650908160. Its totient is φ = 707682096000.

The previous prime is 1212112119983. The next prime is 1212112120001. The reversal of 1212112119999 is 9999112112121.

It is not a de Polignac number, because 1212112119999 - 2⁴ = 1212112119983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212112111999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4791139 + ... + 5037780.

It is an arithmetic number, because the mean of its divisors is an integer number (57145340880).

Almost surely, 2^{1212112119999} is an apocalyptic number.

1212112119999 is a deficient number, since it is larger than the sum of its proper divisors (616538788161).

1212112119999 is a wasteful number, since it uses less digits than its factorization.

1212112119999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9829071.

The product of its digits is 52488, while the sum is 48.

It can be divided in two parts, 1212 and 112119999, that added together give a palindrome (112121211).

The spelling of 1212112119999 in words is "one trillion, two hundred twelve billion, one hundred twelve million, one hundred nineteen thousand, nine hundred ninety-nine".