12122021023 has 8 divisors (see below), whose sum is σ = 13854728192. Its totient is φ = 10389561336.

The previous prime is 12122021017. The next prime is 12122021053. The reversal of 12122021023 is 32012022121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12122021023 - 2¹³ = 12122012831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122020988 and 12122021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122021053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58786 + ... + 166432.

It is an arithmetic number, because the mean of its divisors is an integer number (1731841024).

Almost surely, 2^12122021023 is an apocalyptic number.

12122021023 is a deficient number, since it is larger than the sum of its proper divisors (1732707169).

12122021023 is a wasteful number, since it uses less digits than its factorization.

12122021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123741.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12122021023 its reverse (32012022121), we get a palindrome (44134043144).

The spelling of 12122021023 in words is "twelve billion, one hundred twenty-two million, twenty-one thousand, twenty-three".