211210100012 has 6 divisors (see below), whose sum is σ = 369617675028. Its totient is φ = 105605050004.

The previous prime is 211210099979. The next prime is 211210100029. The reversal of 211210100012 is 210001012112.

It is a junction number, because it is equal to n+sod(n) for n = 211210099966 and 211210100002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26401262498 + ... + 26401262505.

It is an arithmetic number, because the mean of its divisors is an integer number (61602945838).

Almost surely, 2^211210100012 is an apocalyptic number.

It is an amenable number.

211210100012 is a deficient number, since it is larger than the sum of its proper divisors (158407575016).

211210100012 is a wasteful number, since it uses less digits than its factorization.

211210100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52802525007 (or 52802525005 counting only the distinct ones).

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

Adding to 211210100012 its reverse (210001012112), we get a palindrome (421211112124).

The spelling of 211210100012 in words is "two hundred eleven billion, two hundred ten million, one hundred thousand, twelve".