101222121220012 has 24 divisors (see below), whose sum is σ = 190772100649872. Its totient is φ = 46716106084800.

The previous prime is 101222121219943. The next prime is 101222121220027. The reversal of 101222121220012 is 210022121222101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36050914 + ... + 38757097.

It is an arithmetic number, because the mean of its divisors is an integer number (7948837527078).

Almost surely, 2^{101222121220012} is an apocalyptic number.

It is an amenable number.

101222121220012 is a deficient number, since it is larger than the sum of its proper divisors (89549979429860).

101222121220012 is a wasteful number, since it uses less digits than its factorization.

101222121220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74834049 (or 74834047 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101222121220012 its reverse (210022121222101), we get a palindrome (311244242442113).

The spelling of 101222121220012 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, twelve".