212554144332 has 96 divisors (see below), whose sum is σ = 580344307200. Its totient is φ = 67090597056.

The previous prime is 212554144273. The next prime is 212554144333. The reversal of 212554144332 is 233441455212.

It is a happy number.

212554144332 is a `hidden beast` number, since 21 + 2 + 554 + 14 + 43 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (212554144333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4517673 + ... + 4564479.

It is an arithmetic number, because the mean of its divisors is an integer number (6045253200).

Almost surely, 2^212554144332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212554144332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290172153600).

212554144332 is an abundant number, since it is smaller than the sum of its proper divisors (367790162868).

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

212554144332 is a wasteful number, since it uses less digits than its factorization.

212554144332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49052 (or 49044 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 212554144332 its reverse (233441455212), we get a palindrome (445995599544).

The spelling of 212554144332 in words is "two hundred twelve billion, five hundred fifty-four million, one hundred forty-four thousand, three hundred thirty-two".