12400023214 has 4 divisors (see below), whose sum is σ = 18600034824. Its totient is φ = 6200011606.

The previous prime is 12400023199. The next prime is 12400023221. The reversal of 12400023214 is 41232000421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41232000421 = 263 ⋅156775667.

It is a junction number, because it is equal to n+sod(n) for n = 12400023191 and 12400023200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3100005802 + ... + 3100005805.

It is an arithmetic number, because the mean of its divisors is an integer number (4650008706).

Almost surely, 2^12400023214 is an apocalyptic number.

12400023214 is a deficient number, since it is larger than the sum of its proper divisors (6200011610).

12400023214 is an equidigital number, since it uses as much as digits as its factorization.

12400023214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200011609.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12400023214 its reverse (41232000421), we get a palindrome (53632023635).

The spelling of 12400023214 in words is "twelve billion, four hundred million, twenty-three thousand, two hundred fourteen".