10212242666531 has 4 divisors (see below), whose sum is σ = 10212329403000. Its totient is φ = 10212155930064.

The previous prime is 10212242666473. The next prime is 10212242666539. The reversal of 10212242666531 is 13566624221201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10212242666531 - 2³⁴ = 10195062797347 is a prime.

It is a super-2 number, since 2×10212242666531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212242666539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43191386 + ... + 43427183.

It is an arithmetic number, because the mean of its divisors is an integer number (2553082350750).

Almost surely, 2^{10212242666531} is an apocalyptic number.

10212242666531 is a deficient number, since it is larger than the sum of its proper divisors (86736469).

10212242666531 is an equidigital number, since it uses as much as digits as its factorization.

10212242666531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86736468.

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 10212242666531 its reverse (13566624221201), we get a palindrome (23778866887732).

The spelling of 10212242666531 in words is "ten trillion, two hundred twelve billion, two hundred forty-two million, six hundred sixty-six thousand, five hundred thirty-one".