5204223665122 has 4 divisors (see below), whose sum is σ = 7806335497686. Its totient is φ = 2602111832560.

The previous prime is 5204223665101. The next prime is 5204223665171. The reversal of 5204223665122 is 2215663224025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3869045726121 + 1335177939001 = 1966989^2 + 1155499^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1301055916279 + ... + 1301055916282.

Almost surely, 2^{5204223665122} is an apocalyptic number.

5204223665122 is a deficient number, since it is larger than the sum of its proper divisors (2602111832564).

5204223665122 is a wasteful number, since it uses less digits than its factorization.

5204223665122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602111832563.

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 5204223665122 its reverse (2215663224025), we get a palindrome (7419886889147).

The spelling of 5204223665122 in words is "five trillion, two hundred four billion, two hundred twenty-three million, six hundred sixty-five thousand, one hundred twenty-two".