122521344241212 has 144 divisors (see below), whose sum is σ = 355229582145984. Its totient is φ = 34879614336000.

The previous prime is 122521344241193. The next prime is 122521344241267. The reversal of 122521344241212 is 212142443125221.

122521344241212 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 2 + 13 + 4 + 424 + 1 + 212 = 666.

It is a super-2 number, since 2×122521344241212² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1754757262 + ... + 1754827082.

It is an arithmetic number, because the mean of its divisors is an integer number (2466872098236).

Almost surely, 2^{122521344241212} is an apocalyptic number.

122521344241212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122521344241212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177614791072992).

122521344241212 is an abundant number, since it is smaller than the sum of its proper divisors (232708237904772).

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

122521344241212 is a wasteful number, since it uses less digits than its factorization.

122521344241212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94900 (or 94895 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

Adding to 122521344241212 its reverse (212142443125221), we get a palindrome (334663787366433).

The spelling of 122521344241212 in words is "one hundred twenty-two trillion, five hundred twenty-one billion, three hundred forty-four million, two hundred forty-one thousand, two hundred twelve".