12217050706562 has 32 divisors (see below), whose sum is σ = 20230363545840. Its totient is φ = 5498909475840.

The previous prime is 12217050706561. The next prime is 12217050706579. The reversal of 12217050706562 is 26560705071221.

It can be written as a sum of positive squares in 8 ways, for example, as 3628335422761 + 8588715283801 = 1904819^2 + 2930651^2 .

It is not an unprimeable number, because it can be changed into a prime (12217050706561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35992889 + ... + 36330732.

Almost surely, 2^{12217050706562} is an apocalyptic number.

12217050706562 is a deficient number, since it is larger than the sum of its proper divisors (8013312839278).

12217050706562 is a wasteful number, since it uses less digits than its factorization.

12217050706562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72323798.

The product of its (nonzero) digits is 352800, while the sum is 44.

Adding to 12217050706562 its reverse (26560705071221), we get a palindrome (38777755777783).

The spelling of 12217050706562 in words is "twelve trillion, two hundred seventeen billion, fifty million, seven hundred six thousand, five hundred sixty-two".