211210010012 has 24 divisors (see below), whose sum is σ = 391392207360. Its totient is φ = 99384696320.

The previous prime is 211210009981. The next prime is 211210010059. The reversal of 211210010012 is 210010012112.

It is a junction number, because it is equal to n+sod(n) for n = 211210009975 and 211210010002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739064 + ... + 984192.

It is an arithmetic number, because the mean of its divisors is an integer number (16308008640).

Almost surely, 2^211210010012 is an apocalyptic number.

It is an amenable number.

211210010012 is a deficient number, since it is larger than the sum of its proper divisors (180182197348).

211210010012 is a wasteful number, since it uses less digits than its factorization.

211210010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257821 (or 257819 counting only the distinct ones).

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

Adding to 211210010012 its reverse (210010012112), we get a palindrome (421220022124).

The spelling of 211210010012 in words is "two hundred eleven billion, two hundred ten million, ten thousand, twelve".