12012001194 has 8 divisors (see below), whose sum is σ = 24024002400. Its totient is φ = 4004000396.

The previous prime is 12012001193. The next prime is 12012001237. The reversal of 12012001194 is 49110021021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12012001194 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12012001194.

It is not an unprimeable number, because it can be changed into a prime (12012001193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001000094 + ... + 1001000105.

It is an arithmetic number, because the mean of its divisors is an integer number (3003000300).

Almost surely, 2^12012001194 is an apocalyptic number.

12012001194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12012001194 is a wasteful number, since it uses less digits than its factorization.

12012001194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002000204.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 12012001194 in words is "twelve billion, twelve million, one thousand, one hundred ninety-four".