48721212 has 72 divisors (see below), whose sum is σ = 128419200. Its totient is φ = 15557760.

The previous prime is 48721177. The next prime is 48721213. The reversal of 48721212 is 21212784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48721213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166138 + ... + 166430.

It is an arithmetic number, because the mean of its divisors is an integer number (1783600).

Almost surely, 2^48721212 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 48721212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64209600).

48721212 is an abundant number, since it is smaller than the sum of its proper divisors (79697988).

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

48721212 is a wasteful number, since it uses less digits than its factorization.

48721212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 478 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 48721212 is about 6980.0581659468. The cubic root of 48721212 is about 365.2352571044.

Adding to 48721212 its reverse (21212784), we get a palindrome (69933996).

It can be divided in two parts, 4872 and 1212, that added together give a square (6084 = 78²).

The spelling of 48721212 in words is "forty-eight million, seven hundred twenty-one thousand, two hundred twelve".