20212202212192 has 48 divisors (see below), whose sum is σ = 39837657408192. Its totient is φ = 10094707566720.

The previous prime is 20212202212171. The next prime is 20212202212243. The reversal of 20212202212192 is 29121220221202.

It is a self number, because there is not a number n which added to its sum of digits gives 20212202212192.

It is a congruent number.

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, 117146467 + ... + 117318877.

It is an arithmetic number, because the mean of its divisors is an integer number (829951196004).

Almost surely, 2^{20212202212192} is an apocalyptic number.

It is an amenable number.

20212202212192 is a deficient number, since it is larger than the sum of its proper divisors (19625455196000).

20212202212192 is a wasteful number, since it uses less digits than its factorization.

20212202212192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176531 (or 176523 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 20212202212192 its reverse (29121220221202), we get a palindrome (49333422433394).

The spelling of 20212202212192 in words is "twenty trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, one hundred ninety-two".