10212021012112 has 10 divisors (see below), whose sum is σ = 19785790710998. Its totient is φ = 5106010506048.

The previous prime is 10212021012079. The next prime is 10212021012157. The reversal of 10212021012112 is 21121012021201.

It can be written as a sum of positive squares in only one way, i.e., 5532863657616 + 4679157354496 = 2352204^2 + 2163136^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 638251313257 = 10212021012112 / (1 + 0 + 2 + 1 + 2 + 0 + 2 + 1 + 0 + 1 + 2 + 1 + 1 + 2).

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, 319125656613 + ... + 319125656644.

Almost surely, 2^{10212021012112} is an apocalyptic number.

It is an amenable number.

10212021012112 is a deficient number, since it is larger than the sum of its proper divisors (9573769698886).

10212021012112 is an equidigital number, since it uses as much as digits as its factorization.

10212021012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638251313265 (or 638251313259 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10212021012112 its reverse (21121012021201), we get a palindrome (31333033033313).

The spelling of 10212021012112 in words is "ten trillion, two hundred twelve billion, twenty-one million, twelve thousand, one hundred twelve".