12122201021002 has 4 divisors (see below), whose sum is σ = 18183301531506. Its totient is φ = 6061100510500.

The previous prime is 12122201020957. The next prime is 12122201021039. The reversal of 12122201021002 is 20012010222121.

It is a happy number.

12122201021002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 12056582563081 + 65618457921 = 3472259^2 + 256161^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030550255249 + ... + 3030550255252.

Almost surely, 2^{12122201021002} is an apocalyptic number.

12122201021002 is a deficient number, since it is larger than the sum of its proper divisors (6061100510504).

12122201021002 is an equidigital number, since it uses as much as digits as its factorization.

12122201021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061100510503.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122201021002 its reverse (20012010222121), we get a palindrome (32134211243123).

The spelling of 12122201021002 in words is "twelve trillion, one hundred twenty-two billion, two hundred one million, twenty-one thousand, two".