14212128940 has 24 divisors (see below), whose sum is σ = 29847762000. Its totient is φ = 5684415168.

The previous prime is 14212128923. The next prime is 14212128947. The reversal of 14212128940 is 4982121241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 14212128896 and 14212128905.

It is not an unprimeable number, because it can be changed into a prime (14212128947) 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, 413454 + ... + 446506.

It is an arithmetic number, because the mean of its divisors is an integer number (1243656750).

Almost surely, 2^14212128940 is an apocalyptic number.

14212128940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14212128940 is an abundant number, since it is smaller than the sum of its proper divisors (15635633060).

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

14212128940 is a wasteful number, since it uses less digits than its factorization.

14212128940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54561 (or 54559 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 14212128940 in words is "fourteen billion, two hundred twelve million, one hundred twenty-eight thousand, nine hundred forty".