20112202202012 has 24 divisors (see below), whose sum is σ = 35211509152512. Its totient is φ = 10051771590000.

The previous prime is 20112202202011. The next prime is 20112202202021. The reversal of 20112202202012 is 21020220221102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112202202011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158486387 + ... + 158613237.

It is an arithmetic number, because the mean of its divisors is an integer number (1467146214688).

Almost surely, 2^{20112202202012} is an apocalyptic number.

It is an amenable number.

20112202202012 is a deficient number, since it is larger than the sum of its proper divisors (15099306950500).

20112202202012 is a wasteful number, since it uses less digits than its factorization.

20112202202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143609 (or 143607 counting only the distinct ones).

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

Adding to 20112202202012 its reverse (21020220221102), we get a palindrome (41132422423114).

The spelling of 20112202202012 in words is "twenty trillion, one hundred twelve billion, two hundred two million, two hundred two thousand, twelve".