2042321233212 has 192 divisors, whose sum is σ = 5743792857600. Its totient is φ = 623835717120.

The previous prime is 2042321233201. The next prime is 2042321233217. The reversal of 2042321233212 is 2123321232402.

2042321233212 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 321 + 2 + 332 + 1 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042321233217) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 155055387 + ... + 155068557.

It is an arithmetic number, because the mean of its divisors is an integer number (29915587800).

Almost surely, 2^{2042321233212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2042321233212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2871896428800).

2042321233212 is an abundant number, since it is smaller than the sum of its proper divisors (3701471624388).

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

2042321233212 is a wasteful number, since it uses less digits than its factorization.

2042321233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13993 (or 13985 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 2042321233212 its reverse (2123321232402), we get a palindrome (4165642465614).

The spelling of 2042321233212 in words is "two trillion, forty-two billion, three hundred twenty-one million, two hundred thirty-three thousand, two hundred twelve".