210100200020212 has 6 divisors (see below), whose sum is σ = 367675350035378. Its totient is φ = 105050100010104.

The previous prime is 210100200020197. The next prime is 210100200020251. The reversal of 210100200020212 is 212020002001012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 122405103651856 + 87695096368356 = 11063684^2 + 9364566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210100200020192 and 210100200020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26262525002523 + ... + 26262525002530.

Almost surely, 2^{210100200020212} is an apocalyptic number.

It is an amenable number.

210100200020212 is a deficient number, since it is larger than the sum of its proper divisors (157575150015166).

210100200020212 is a wasteful number, since it uses less digits than its factorization.

210100200020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52525050005057 (or 52525050005055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210100200020212 its reverse (212020002001012), we get a palindrome (422120202021224).

The spelling of 210100200020212 in words is "two hundred ten trillion, one hundred billion, two hundred million, twenty thousand, two hundred twelve".