25120212 has 48 divisors (see below), whose sum is σ = 63456960. Its totient is φ = 7688448.

The previous prime is 25120201. The next prime is 25120217. The reversal of 25120212 is 21202152.

It is a junction number, because it is equal to n+sod(n) for n = 25120191 and 25120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25120217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43864 + ... + 44432.

It is an arithmetic number, because the mean of its divisors is an integer number (1322020).

Almost surely, 2^25120212 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 25120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31728480).

25120212 is an abundant number, since it is smaller than the sum of its proper divisors (38336748).

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

25120212 is a wasteful number, since it uses less digits than its factorization.

25120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 25120212 is about 5012.0067837145. The cubic root of 25120212 is about 292.8696939863.

Adding to 25120212 its reverse (21202152), we get a palindrome (46322364).

The spelling of 25120212 in words is "twenty-five million, one hundred twenty thousand, two hundred twelve".