211055544012 has 24 divisors (see below), whose sum is σ = 492492225456. Its totient is φ = 70347663808.

The previous prime is 211055543987. The next prime is 211055544061. The reversal of 211055544012 is 210445550112.

It is a super-2 number, since 2×211055544012² (a number of 23 digits) contains 22 as substring.

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, 309363 + ... + 719594.

It is an arithmetic number, because the mean of its divisors is an integer number (20520509394).

Almost surely, 2^211055544012 is an apocalyptic number.

It is an amenable number.

211055544012 is an abundant number, since it is smaller than the sum of its proper divisors (281436681444).

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

211055544012 is a wasteful number, since it uses less digits than its factorization.

211055544012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046057 (or 1046055 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 211055544012 in words is "two hundred eleven billion, fifty-five million, five hundred forty-four thousand, twelve".