10212151566 has 32 divisors (see below), whose sum is σ = 21630343680. Its totient is φ = 3203129216.

The previous prime is 10212151531. The next prime is 10212151567. The reversal of 10212151566 is 66515121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212151567) 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, 702625 + ... + 717011.

It is an arithmetic number, because the mean of its divisors is an integer number (675948240).

Almost surely, 2^10212151566 is an apocalyptic number.

10212151566 is an abundant number, since it is smaller than the sum of its proper divisors (11418192114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212151566 is a wasteful number, since it uses less digits than its factorization.

10212151566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21368.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 10212151566 its reverse (66515121201), we get a palindrome (76727272767).

The spelling of 10212151566 in words is "ten billion, two hundred twelve million, one hundred fifty-one thousand, five hundred sixty-six".