10212102031112 has 8 divisors (see below), whose sum is σ = 19147691308350. Its totient is φ = 5106051015552.

The previous prime is 10212102031097. The next prime is 10212102031141. The reversal of 10212102031112 is 21113020121201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6054719681956 + 4157382349156 = 2460634^2 + 2038966^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 638256376937 + ... + 638256376952.

Almost surely, 2^{10212102031112} is an apocalyptic number.

It is an amenable number.

10212102031112 is a deficient number, since it is larger than the sum of its proper divisors (8935589277238).

10212102031112 is a wasteful number, since it uses less digits than its factorization.

10212102031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276512753895 (or 1276512753891 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10212102031112 its reverse (21113020121201), we get a palindrome (31325122152313).

The spelling of 10212102031112 in words is "ten trillion, two hundred twelve billion, one hundred two million, thirty-one thousand, one hundred twelve".