2012109192 has 24 divisors (see below), whose sum is σ = 5449462590. Its totient is φ = 670703040.

The previous prime is 2012109163. The next prime is 2012109251. The reversal of 2012109192 is 2919012102.

It can be written as a sum of positive squares in only one way, i.e., 1605925476 + 406183716 = 40074^2 + 20154^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13972909 + ... + 13973052.

Almost surely, 2^2012109192 is an apocalyptic number.

It is an amenable number.

2012109192 is an abundant number, since it is smaller than the sum of its proper divisors (3437353398).

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

2012109192 is a wasteful number, since it uses less digits than its factorization.

2012109192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27945973 (or 27945966 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 2012109192 is about 44856.5401251590. The cubic root of 2012109192 is about 1262.4587062532.

The spelling of 2012109192 in words is "two billion, twelve million, one hundred nine thousand, one hundred ninety-two".