12023420194 has 8 divisors (see below), whose sum is σ = 18072783360. Its totient is φ = 5999159076.

The previous prime is 12023420183. The next prime is 12023420207. The reversal of 12023420194 is 49102432021.

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

It is a super-2 number, since 2×12023420194² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6274314 + ... + 6276229.

It is an arithmetic number, because the mean of its divisors is an integer number (2259097920).

Almost surely, 2^12023420194 is an apocalyptic number.

12023420194 is a deficient number, since it is larger than the sum of its proper divisors (6049363166).

12023420194 is a wasteful number, since it uses less digits than its factorization.

12023420194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12551024.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 12023420194 in words is "twelve billion, twenty-three million, four hundred twenty thousand, one hundred ninety-four".