200102021000212 has 6 divisors (see below), whose sum is σ = 350178536750378. Its totient is φ = 100051010500104.

The previous prime is 200102021000153. The next prime is 200102021000251. The reversal of 200102021000212 is 212000120201002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 172964214315396 + 27137806684816 = 13151586^2 + 5209396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200102021000192 and 200102021000201.

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, 25012752625023 + ... + 25012752625030.

Almost surely, 2^{200102021000212} is an apocalyptic number.

It is an amenable number.

200102021000212 is a deficient number, since it is larger than the sum of its proper divisors (150076515750166).

200102021000212 is a wasteful number, since it uses less digits than its factorization.

200102021000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50025505250057 (or 50025505250055 counting only the distinct ones).

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

Adding to 200102021000212 its reverse (212000120201002), we get a palindrome (412102141201214).

The spelling of 200102021000212 in words is "two hundred trillion, one hundred two billion, twenty-one million, two hundred twelve", and thus it is an aban number.