20121222102002 has 16 divisors (see below), whose sum is σ = 34554790976832. Its totient is φ = 8608064057520.

The previous prime is 20121222101999. The next prime is 20121222102017. The reversal of 20121222102002 is 20020122212102.

It is a happy number.

It is a super-3 number, since 3×20121222102002³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276395449 + ... + 1276411212.

It is an arithmetic number, because the mean of its divisors is an integer number (2159674436052).

Almost surely, 2^{20121222102002} is an apocalyptic number.

20121222102002 is a deficient number, since it is larger than the sum of its proper divisors (14433568874830).

20121222102002 is a wasteful number, since it uses less digits than its factorization.

20121222102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552807233.

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

Adding to 20121222102002 its reverse (20020122212102), we get a palindrome (40141344314104).

The spelling of 20121222102002 in words is "twenty trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred two thousand, two".