2012211108 has 36 divisors (see below), whose sum is σ = 5223896860. Its totient is φ = 652608576.

The previous prime is 2012211053. The next prime is 2012211109. The reversal of 2012211108 is 8011122102.

It can be written as a sum of positive squares in 2 ways, for example, as 902521764 + 1109689344 = 30042^2 + 33312^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2012211109) 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, 754003 + ... + 756666.

Almost surely, 2^2012211108 is an apocalyptic number.

It is an amenable number.

2012211108 is an abundant number, since it is smaller than the sum of its proper divisors (3211685752).

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

2012211108 is a wasteful number, since it uses less digits than its factorization.

2012211108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510716 (or 1510711 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 2012211108 is about 44857.6761324079. The cubic root of 2012211108 is about 1262.4800209628.

The spelling of 2012211108 in words is "two billion, twelve million, two hundred eleven thousand, one hundred eight".