210001001012212 has 48 divisors (see below), whose sum is σ = 370514285385552. Its totient is φ = 104143324400640.

The previous prime is 210001001012207. The next prime is 210001001012221. The reversal of 210001001012212 is 212210100100012.

It can be written as a sum of positive squares in 8 ways, for example, as 11809903394916 + 198191097617296 = 3436554^2 + 14078036^2 .

It is a super-2 number, since 2×210001001012212² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210001001012192 and 210001001012201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699683008 + ... + 699983080.

It is an arithmetic number, because the mean of its divisors is an integer number (7719047612199).

Almost surely, 2^{210001001012212} is an apocalyptic number.

It is an amenable number.

210001001012212 is a deficient number, since it is larger than the sum of its proper divisors (160513284373340).

210001001012212 is a wasteful number, since it uses less digits than its factorization.

210001001012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303028 (or 303026 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210001001012212 its reverse (212210100100012), we get a palindrome (422211101112224).

The spelling of 210001001012212 in words is "two hundred ten trillion, one billion, one million, twelve thousand, two hundred twelve".