12534422052212 has 6 divisors (see below), whose sum is σ = 21935238591378. Its totient is φ = 6267211026104.

The previous prime is 12534422052209. The next prime is 12534422052221. The reversal of 12534422052212 is 21225022443521.

It can be written as a sum of positive squares in only one way, i.e., 9589402248976 + 2945019803236 = 3096676^2 + 1716106^2 .

It is a super-2 number, since 2×12534422052212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566802756523 + ... + 1566802756530.

It is an arithmetic number, because the mean of its divisors is an integer number (3655873098563).

Almost surely, 2^{12534422052212} is an apocalyptic number.

It is an amenable number.

12534422052212 is a deficient number, since it is larger than the sum of its proper divisors (9400816539166).

12534422052212 is a wasteful number, since it uses less digits than its factorization.

12534422052212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133605513057 (or 3133605513055 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 12534422052212 its reverse (21225022443521), we get a palindrome (33759444495733).

The spelling of 12534422052212 in words is "twelve trillion, five hundred thirty-four billion, four hundred twenty-two million, fifty-two thousand, two hundred twelve".