12122110221002 has 4 divisors (see below), whose sum is σ = 18183165331506. Its totient is φ = 6061055110500.

The previous prime is 12122110220959. The next prime is 12122110221019. The reversal of 12122110221002 is 20012201122121.

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., 11445358843801 + 676751377201 = 3383099^2 + 822649^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030527555249 + ... + 3030527555252.

Almost surely, 2^{12122110221002} is an apocalyptic number.

12122110221002 is a deficient number, since it is larger than the sum of its proper divisors (6061055110504).

12122110221002 is an equidigital number, since it uses as much as digits as its factorization.

12122110221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061055110503.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122110221002 its reverse (20012201122121), we get a palindrome (32134311343123).

The spelling of 12122110221002 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, two hundred twenty-one thousand, two".