54123241212 has 36 divisors (see below), whose sum is σ = 138738455856. Its totient is φ = 17786979840.

The previous prime is 54123241171. The next prime is 54123241213. The reversal of 54123241212 is 21214232145.

54123241212 is a `hidden beast` number, since 5 + 4 + 1 + 232 + 412 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54123241213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10584933 + ... + 10590044.

It is an arithmetic number, because the mean of its divisors is an integer number (3853845996).

Almost surely, 2^54123241212 is an apocalyptic number.

It is an amenable number.

54123241212 is an abundant number, since it is smaller than the sum of its proper divisors (84615214644).

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

54123241212 is a wasteful number, since it uses less digits than its factorization.

54123241212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21175058 (or 21175053 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 54123241212 its reverse (21214232145), we get a palindrome (75337473357).

The spelling of 54123241212 in words is "fifty-four billion, one hundred twenty-three million, two hundred forty-one thousand, two hundred twelve".