2012147194 has 32 divisors (see below), whose sum is σ = 3252902400. Its totient is φ = 931331520.

The previous prime is 2012147161. The next prime is 2012147197. The reversal of 2012147194 is 4917412102.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (2012147197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190849 + ... + 201115.

It is an arithmetic number, because the mean of its divisors is an integer number (101653200).

Almost surely, 2^2012147194 is an apocalyptic number.

2012147194 is a deficient number, since it is larger than the sum of its proper divisors (1240755206).

2012147194 is a wasteful number, since it uses less digits than its factorization.

2012147194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10438.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2012147194 is about 44856.9637180226. The cubic root of 2012147194 is about 1262.4666540747.

Adding to 2012147194 its reverse (4917412102), we get a palindrome (6929559296).

The spelling of 2012147194 in words is "two billion, twelve million, one hundred forty-seven thousand, one hundred ninety-four".