210100011212 has 48 divisors (see below), whose sum is σ = 455299444992. Its totient is φ = 82606547520.

The previous prime is 210100011193. The next prime is 210100011229. The reversal of 210100011212 is 212110001012.

It is a super-2 number, since 2×210100011212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210100011193 and 210100011202.

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, 1711214 + ... + 1829877.

It is an arithmetic number, because the mean of its divisors is an integer number (9485405104).

Almost surely, 2^210100011212 is an apocalyptic number.

It is an amenable number.

210100011212 is an abundant number, since it is smaller than the sum of its proper divisors (245199433780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210100011212 is a wasteful number, since it uses less digits than its factorization.

210100011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541278 (or 3541276 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210100011212 its reverse (212110001012), we get a palindrome (422210012224).

The spelling of 210100011212 in words is "two hundred ten billion, one hundred million, eleven thousand, two hundred twelve".