211112202012 has 24 divisors (see below), whose sum is σ = 492841122816. Its totient is φ = 70335593328.

The previous prime is 211112201983. The next prime is 211112202043. The reversal of 211112202012 is 210202211112.

It is a junction number, because it is equal to n+sod(n) for n = 211112201982 and 211112202000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4367548 + ... + 4415619.

It is an arithmetic number, because the mean of its divisors is an integer number (20535046784).

Almost surely, 2^211112202012 is an apocalyptic number.

It is an amenable number.

211112202012 is an abundant number, since it is smaller than the sum of its proper divisors (281728920804).

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

211112202012 is a wasteful number, since it uses less digits than its factorization.

211112202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785177 (or 8785175 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211112202012 its reverse (210202211112), we get a palindrome (421314413124).

The spelling of 211112202012 in words is "two hundred eleven billion, one hundred twelve million, two hundred two thousand, twelve".