12122122100002 has 4 divisors (see below), whose sum is σ = 18183183150006. Its totient is φ = 6061061050000.

The previous prime is 12122122099999. The next prime is 12122122100069. The reversal of 12122122100002 is 20000122122121.

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., 8687997946681 + 3434124153321 = 2947541^2 + 1853139^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030530524999 + ... + 3030530525002.

Almost surely, 2^{12122122100002} is an apocalyptic number.

12122122100002 is a deficient number, since it is larger than the sum of its proper divisors (6061061050004).

12122122100002 is an equidigital number, since it uses as much as digits as its factorization.

12122122100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061061050003.

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

Adding to 12122122100002 its reverse (20000122122121), we get a palindrome (32122244222123).

The spelling of 12122122100002 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred thousand, two".