12443505214 has 24 divisors (see below), whose sum is σ = 22413060288. Its totient is φ = 5160899520.

The previous prime is 12443505209. The next prime is 12443505233. The reversal of 12443505214 is 41250534421.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2044939 + ... + 2051014.

It is an arithmetic number, because the mean of its divisors is an integer number (933877512).

Almost surely, 2^12443505214 is an apocalyptic number.

12443505214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12443505214 is a deficient number, since it is larger than the sum of its proper divisors (9969555074).

12443505214 is a wasteful number, since it uses less digits than its factorization.

12443505214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096000 (or 4095993 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 12443505214 in words is "twelve billion, four hundred forty-three million, five hundred five thousand, two hundred fourteen".