12022121432412 has 720 divisors, whose sum is σ = 42194378318400. Its totient is φ = 2950803136512.

The previous prime is 12022121432381. The next prime is 12022121432423. The reversal of 12022121432412 is 21423412122021.

12022121432412 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 2 + 1 + 214 + 32 + 412 = 666.

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

It is a congruent number.

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 239 ways as a sum of consecutive naturals, for example, 175601964 + ... + 175670412.

It is an arithmetic number, because the mean of its divisors is an integer number (58603303220).

Almost surely, 2^{12022121432412} is an apocalyptic number.

12022121432412 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 12022121432412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21097189159200).

12022121432412 is an abundant number, since it is smaller than the sum of its proper divisors (30172256885988).

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

12022121432412 is a wasteful number, since it uses less digits than its factorization.

12022121432412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68552 (or 68534 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 12022121432412 its reverse (21423412122021), we get a palindrome (33445533554433).

The spelling of 12022121432412 in words is "twelve trillion, twenty-two billion, one hundred twenty-one million, four hundred thirty-two thousand, four hundred twelve".