12114631421 has 4 divisors (see below), whose sum is σ = 12133531644. Its totient is φ = 12095731200.

The previous prime is 12114631411. The next prime is 12114631429. The reversal of 12114631421 is 12413641121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8007744196 + 4106887225 = 89486^2 + 64085^2 .

It is a cyclic number.

It is not a de Polignac number, because 12114631421 - 2²² = 12110437117 is a prime.

It is a super-3 number, since 3×12114631421³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12114631429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9449150 + ... + 9450431.

It is an arithmetic number, because the mean of its divisors is an integer number (3033382911).

Almost surely, 2^12114631421 is an apocalyptic number.

It is an amenable number.

12114631421 is a deficient number, since it is larger than the sum of its proper divisors (18900223).

12114631421 is an equidigital number, since it uses as much as digits as its factorization.

12114631421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18900222.

The product of its digits is 1152, while the sum is 26.

The spelling of 12114631421 in words is "twelve billion, one hundred fourteen million, six hundred thirty-one thousand, four hundred twenty-one".