10212216655526 has 16 divisors (see below), whose sum is σ = 15322974072000. Its totient is φ = 5104558787328.

The previous prime is 10212216655517. The next prime is 10212216655567. The reversal of 10212216655526 is 62555661221201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214523075 + ... + 214570673.

It is an arithmetic number, because the mean of its divisors is an integer number (957685879500).

Almost surely, 2^{10212216655526} is an apocalyptic number.

10212216655526 is a deficient number, since it is larger than the sum of its proper divisors (5110757416474).

10212216655526 is a wasteful number, since it uses less digits than its factorization.

10212216655526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77903.

The product of its (nonzero) digits is 432000, while the sum is 44.

Adding to 10212216655526 its reverse (62555661221201), we get a palindrome (72767877876727).

The spelling of 10212216655526 in words is "ten trillion, two hundred twelve billion, two hundred sixteen million, six hundred fifty-five thousand, five hundred twenty-six".