564131222212 has 72 divisors (see below), whose sum is σ = 1057370896512. Its totient is φ = 263252774400.

The previous prime is 564131222177. The next prime is 564131222219. The reversal of 564131222212 is 212222131465.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (564131222219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14553537 + ... + 14592247.

It is an arithmetic number, because the mean of its divisors is an integer number (14685706896).

Almost surely, 2^564131222212 is an apocalyptic number.

It is an amenable number.

564131222212 is a deficient number, since it is larger than the sum of its proper divisors (493239674300).

564131222212 is a wasteful number, since it uses less digits than its factorization.

564131222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38929 (or 38904 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

Adding to 564131222212 its reverse (212222131465), we get a palindrome (776353353677).

The spelling of 564131222212 in words is "five hundred sixty-four billion, one hundred thirty-one million, two hundred twenty-two thousand, two hundred twelve".