12242034122021 has 4 divisors (see below), whose sum is σ = 13354946314944. Its totient is φ = 11129121929100.

The previous prime is 12242034122009. The next prime is 12242034122047. The reversal of 12242034122021 is 12022143024221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12242034122021 - 2⁶ = 12242034121957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242034122081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556456096445 + ... + 556456096466.

It is an arithmetic number, because the mean of its divisors is an integer number (3338736578736).

Almost surely, 2^{12242034122021} is an apocalyptic number.

12242034122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12242034122021 is a deficient number, since it is larger than the sum of its proper divisors (1112912192923).

12242034122021 is a wasteful number, since it uses less digits than its factorization.

12242034122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112912192922.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12242034122021 its reverse (12022143024221), we get a palindrome (24264177146242).

The spelling of 12242034122021 in words is "twelve trillion, two hundred forty-two billion, thirty-four million, one hundred twenty-two thousand, twenty-one".