12122021022002 has 4 divisors (see below), whose sum is σ = 18183031533006. Its totient is φ = 6061010511000.

The previous prime is 12122021021987. The next prime is 12122021022011. The reversal of 12122021022002 is 20022012022121.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 11319328665241 + 802692356761 = 3364421^2 + 895931^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030505255499 + ... + 3030505255502.

Almost surely, 2^{12122021022002} is an apocalyptic number.

12122021022002 is a deficient number, since it is larger than the sum of its proper divisors (6061010511004).

12122021022002 is an equidigital number, since it uses as much as digits as its factorization.

12122021022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061010511003.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12122021022002 its reverse (20022012022121), we get a palindrome (32144033044123).

The spelling of 12122021022002 in words is "twelve trillion, one hundred twenty-two billion, twenty-one million, twenty-two thousand, two".