12114211554 has 32 divisors (see below), whose sum is σ = 27493251840. Its totient is φ = 3952153296.

The previous prime is 12114211511. The next prime is 12114211559. The reversal of 12114211554 is 45511241121.

It is a super-3 number, since 3×12114211554³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12114211559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2384029 + ... + 2389104.

It is an arithmetic number, because the mean of its divisors is an integer number (859164120).

Almost surely, 2^12114211554 is an apocalyptic number.

12114211554 is an abundant number, since it is smaller than the sum of its proper divisors (15379040286).

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

12114211554 is a wasteful number, since it uses less digits than its factorization.

12114211554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773191 (or 4773185 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

Adding to 12114211554 its reverse (45511241121), we get a palindrome (57625452675).

The spelling of 12114211554 in words is "twelve billion, one hundred fourteen million, two hundred eleven thousand, five hundred fifty-four".