52223156212 has 6 divisors (see below), whose sum is σ = 91390523378. Its totient is φ = 26111578104.

The previous prime is 52223156203. The next prime is 52223156213. The reversal of 52223156212 is 21265132225.

It can be written as a sum of positive squares in only one way, i.e., 49722756196 + 2500400016 = 222986^2 + 50004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52223156213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6527894523 + ... + 6527894530.

Almost surely, 2^52223156212 is an apocalyptic number.

It is an amenable number.

52223156212 is a deficient number, since it is larger than the sum of its proper divisors (39167367166).

52223156212 is a wasteful number, since it uses less digits than its factorization.

52223156212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13055789057 (or 13055789055 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

Adding to 52223156212 its reverse (21265132225), we get a palindrome (73488288437).

The spelling of 52223156212 in words is "fifty-two billion, two hundred twenty-three million, one hundred fifty-six thousand, two hundred twelve".