12312440214 has 16 divisors (see below), whose sum is σ = 24638996928. Its totient is φ = 4101793992.

The previous prime is 12312440197. The next prime is 12312440219. The reversal of 12312440214 is 41204421321.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312440219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576832 + ... + 597795.

It is an arithmetic number, because the mean of its divisors is an integer number (1539937308).

Almost surely, 2^12312440214 is an apocalyptic number.

12312440214 is an abundant number, since it is smaller than the sum of its proper divisors (12326556714).

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

12312440214 is a wasteful number, since it uses less digits than its factorization.

12312440214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176379.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12312440214 its reverse (41204421321), we get a palindrome (53516861535).

The spelling of 12312440214 in words is "twelve billion, three hundred twelve million, four hundred forty thousand, two hundred fourteen".