2194611012 has 36 divisors (see below), whose sum is σ = 6051807216. Its totient is φ = 665033520.

The previous prime is 2194611011. The next prime is 2194611019. The reversal of 2194611012 is 2101164912.

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

It is not an unprimeable number, because it can be changed into a prime (2194611011) 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, 2770578 + ... + 2771369.

It is an arithmetic number, because the mean of its divisors is an integer number (168105756).

Almost surely, 2^2194611012 is an apocalyptic number.

2194611012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2194611012 is an abundant number, since it is smaller than the sum of its proper divisors (3857196204).

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

2194611012 is a wasteful number, since it uses less digits than its factorization.

2194611012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541968 (or 5541963 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2194611012 is about 46846.6755704180. The cubic root of 2194611012 is about 1299.5286283153.

Adding to 2194611012 its reverse (2101164912), we get a palindrome (4295775924).

The spelling of 2194611012 in words is "two billion, one hundred ninety-four million, six hundred eleven thousand, twelve".