121313231212122 has 32 divisors (see below), whose sum is σ = 276871038206400. Its totient is φ = 39344831743824.

The previous prime is 121313231212111. The next prime is 121313231212153. The reversal of 121313231212122 is 221212132313121.

121313231212122 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 1 + 323 + 1 + 212 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30358664472 + ... + 30358668467.

It is an arithmetic number, because the mean of its divisors is an integer number (8652219943950).

Almost surely, 2^{121313231212122} is an apocalyptic number.

121313231212122 is an abundant number, since it is smaller than the sum of its proper divisors (155557806994278).

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

121313231212122 is a wasteful number, since it uses less digits than its factorization.

121313231212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60717332987 (or 60717332981 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 121313231212122 its reverse (221212132313121), we get a palindrome (342525363525243).

The spelling of 121313231212122 in words is "one hundred twenty-one trillion, three hundred thirteen billion, two hundred thirty-one million, two hundred twelve thousand, one hundred twenty-two".