1020100100212 has 6 divisors (see below), whose sum is σ = 1785175175378. Its totient is φ = 510050050104.

The previous prime is 1020100100177. The next prime is 1020100100219. The reversal of 1020100100212 is 2120010010201.

It can be written as a sum of positive squares in only one way, i.e., 989937441936 + 30162658276 = 994956^2 + 173674^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020100100219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127512512523 + ... + 127512512530.

Almost surely, 2^{1020100100212} is an apocalyptic number.

It is an amenable number.

1020100100212 is a deficient number, since it is larger than the sum of its proper divisors (765075075166).

1020100100212 is a wasteful number, since it uses less digits than its factorization.

1020100100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255025025057 (or 255025025055 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1020100100212 its reverse (2120010010201), we get a palindrome (3140110110413).

The spelling of 1020100100212 in words is "one trillion, twenty billion, one hundred million, one hundred thousand, two hundred twelve".