14155240212 has 120 divisors (see below), whose sum is σ = 38920476672. Its totient is φ = 4479883200.

The previous prime is 14155240189. The next prime is 14155240223. The reversal of 14155240212 is 21204255141.

It is a happy number.

14155240212 is a `hidden beast` number, since 1 + 415 + 5 + 240 + 2 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 519037 + ... + 545627.

Almost surely, 2^14155240212 is an apocalyptic number.

14155240212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14155240212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19460238336).

14155240212 is an abundant number, since it is smaller than the sum of its proper divisors (24765236460).

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

14155240212 is a wasteful number, since it uses less digits than its factorization.

14155240212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26691 (or 26680 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 14155240212 its reverse (21204255141), we get a palindrome (35359495353).

The spelling of 14155240212 in words is "fourteen billion, one hundred fifty-five million, two hundred forty thousand, two hundred twelve".