12012555454 has 8 divisors (see below), whose sum is σ = 18059509080. Its totient is φ = 5992719096.

The previous prime is 12012555449. The next prime is 12012555461. The reversal of 12012555454 is 45455521021.

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

It is a super-2 number, since 2×12012555454² (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, 6778209 + ... + 6779980.

It is an arithmetic number, because the mean of its divisors is an integer number (2257438635).

Almost surely, 2^12012555454 is an apocalyptic number.

12012555454 is a deficient number, since it is larger than the sum of its proper divisors (6046953626).

12012555454 is a wasteful number, since it uses less digits than its factorization.

12012555454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13558634.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 12012555454 in words is "twelve billion, twelve million, five hundred fifty-five thousand, four hundred fifty-four".