1212022313118 has 48 divisors (see below), whose sum is σ = 2697457616880. Its totient is φ = 393024918528.

The previous prime is 1212022313113. The next prime is 1212022313119. The reversal of 1212022313118 is 8113132202121.

It is a happy number.

1212022313118 is a `hidden beast` number, since 1 + 2 + 120 + 223 + 1 + 311 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1212022313091 and 1212022313100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212022313113) 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 23 ways as a sum of consecutive naturals, for example, 4076853 + ... + 4364031.

It is an arithmetic number, because the mean of its divisors is an integer number (56197033685).

Almost surely, 2^{1212022313118} is an apocalyptic number.

1212022313118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1212022313118 is an abundant number, since it is smaller than the sum of its proper divisors (1485435303762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212022313118 is a wasteful number, since it uses less digits than its factorization.

1212022313118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293561 (or 293558 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 1212022313118 its reverse (8113132202121), we get a palindrome (9325154515239).

The spelling of 1212022313118 in words is "one trillion, two hundred twelve billion, twenty-two million, three hundred thirteen thousand, one hundred eighteen".