10212247172 has 6 divisors (see below), whose sum is σ = 17871432558. Its totient is φ = 5106123584.

The previous prime is 10212247153. The next prime is 10212247187. The reversal of 10212247172 is 27174221201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9861284416 + 350962756 = 99304^2 + 18734^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276530893 + ... + 1276530900.

It is an arithmetic number, because the mean of its divisors is an integer number (2978572093).

Almost surely, 2^10212247172 is an apocalyptic number.

It is an amenable number.

10212247172 is a deficient number, since it is larger than the sum of its proper divisors (7659185386).

10212247172 is a wasteful number, since it uses less digits than its factorization.

10212247172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553061797 (or 2553061795 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

Adding to 10212247172 its reverse (27174221201), we get a palindrome (37386468373).

The spelling of 10212247172 in words is "ten billion, two hundred twelve million, two hundred forty-seven thousand, one hundred seventy-two".