55212345121252 has 24 divisors (see below), whose sum is σ = 106978600864800. Its totient is φ = 24721945575360.

The previous prime is 55212345121247. The next prime is 55212345121259. The reversal of 55212345121252 is 25212154321255.

55212345121252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55212345121259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9364370377 + ... + 9364376272.

It is an arithmetic number, because the mean of its divisors is an integer number (4457441702700).

Almost surely, 2^{55212345121252} is an apocalyptic number.

It is an amenable number.

55212345121252 is a deficient number, since it is larger than the sum of its proper divisors (51766255743548).

55212345121252 is a wasteful number, since it uses less digits than its factorization.

55212345121252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18728746731 (or 18728746729 counting only the distinct ones).

The product of its digits is 240000, while the sum is 40.

The spelling of 55212345121252 in words is "fifty-five trillion, two hundred twelve billion, three hundred forty-five million, one hundred twenty-one thousand, two hundred fifty-two".