12003420454 has 8 divisors (see below), whose sum is σ = 18011976840. Its totient is φ = 5999428176.

The previous prime is 12003420439. The next prime is 12003420493. The reversal of 12003420454 is 45402430021.

It is a happy number.

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

It is a super-2 number, since 2×12003420454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1134444 + ... + 1144975.

It is an arithmetic number, because the mean of its divisors is an integer number (2251497105).

Almost surely, 2^12003420454 is an apocalyptic number.

12003420454 is a deficient number, since it is larger than the sum of its proper divisors (6008556386).

12003420454 is a wasteful number, since it uses less digits than its factorization.

12003420454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282054.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 12003420454 its reverse (45402430021), we get a palindrome (57405850475).

The spelling of 12003420454 in words is "twelve billion, three million, four hundred twenty thousand, four hundred fifty-four".