212211002112 has 108 divisors (see below), whose sum is σ = 578234735064. Its totient is φ = 69091491840.

The previous prime is 212211002099. The next prime is 212211002137. The reversal of 212211002112 is 211200112212.

It is a junction number, because it is equal to n+sod(n) for n = 212211002091 and 212211002100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1345312 + ... + 1494752.

Almost surely, 2^212211002112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212211002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289117367532).

212211002112 is an abundant number, since it is smaller than the sum of its proper divisors (366023732952).

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

212211002112 is an equidigital number, since it uses as much as digits as its factorization.

212211002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149546 (or 149489 counting only the distinct ones).

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

Adding to 212211002112 its reverse (211200112212), we get a palindrome (423411114324).

The spelling of 212211002112 in words is "two hundred twelve billion, two hundred eleven million, two thousand, one hundred twelve".