211210022012 has 36 divisors (see below), whose sum is σ = 427656674760. Its totient is φ = 90951680160.

The previous prime is 211210021999. The next prime is 211210022017. The reversal of 211210022012 is 210220012112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211210022017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11474603 + ... + 11492994.

Almost surely, 2^211210022012 is an apocalyptic number.

211210022012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211210022012 is an abundant number, since it is smaller than the sum of its proper divisors (216446652748).

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

211210022012 is a wasteful number, since it uses less digits than its factorization.

211210022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22967642 (or 22967629 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211210022012 its reverse (210220012112), we get a palindrome (421430034124).

The spelling of 211210022012 in words is "two hundred eleven billion, two hundred ten million, twenty-two thousand, twelve".