10212212202112 has 16 divisors (see below), whose sum is σ = 20344641496650. Its totient is φ = 5106106100992.

The previous prime is 10212212202107. The next prime is 10212212202133. The reversal of 10212212202112 is 21120221221201.

It can be written as a sum of positive squares in only one way, i.e., 8972517013056 + 1239695189056 = 2995416^2 + 1113416^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 10212212202112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39891453787 + ... + 39891454042.

Almost surely, 2^{10212212202112} is an apocalyptic number.

It is an amenable number.

10212212202112 is a deficient number, since it is larger than the sum of its proper divisors (10132429294538).

10212212202112 is an frugal number, since it uses more digits than its factorization.

10212212202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79782907843 (or 79782907831 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10212212202112 its reverse (21120221221201), we get a palindrome (31332433423313).

The spelling of 10212212202112 in words is "ten trillion, two hundred twelve billion, two hundred twelve million, two hundred two thousand, one hundred twelve".