12122021102 has 4 divisors (see below), whose sum is σ = 18183031656. Its totient is φ = 6061010550.

The previous prime is 12122021069. The next prime is 12122021113. The reversal of 12122021102 is 20112022121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3030505274 + ... + 3030505277.

It is an arithmetic number, because the mean of its divisors is an integer number (4545757914).

Almost surely, 2^12122021102 is an apocalyptic number.

12122021102 is a deficient number, since it is larger than the sum of its proper divisors (6061010554).

12122021102 is an equidigital number, since it uses as much as digits as its factorization.

12122021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061010553.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12122021102 its reverse (20112022121), we get a palindrome (32234043223).

The spelling of 12122021102 in words is "twelve billion, one hundred twenty-two million, twenty-one thousand, one hundred two".