20212200123202 has 8 divisors (see below), whose sum is σ = 30322455105996. Its totient is φ = 10104715087872.

The previous prime is 20212200123187. The next prime is 20212200123223. The reversal of 20212200123202 is 20232100221202.

It can be written as a sum of positive squares in 2 ways, for example, as 20177893304361 + 34306818841 = 4491981^2 + 185221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20212200123202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692468623 + ... + 692497810.

Almost surely, 2^{20212200123202} is an apocalyptic number.

20212200123202 is a deficient number, since it is larger than the sum of its proper divisors (10110254982794).

20212200123202 is a wasteful number, since it uses less digits than its factorization.

20212200123202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384973732.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20212200123202 its reverse (20232100221202), we get a palindrome (40444300344404).

The spelling of 20212200123202 in words is "twenty trillion, two hundred twelve billion, two hundred million, one hundred twenty-three thousand, two hundred two".