25001212 has 6 divisors (see below), whose sum is σ = 43752128. Its totient is φ = 12500604.

The previous prime is 25001201. The next prime is 25001231. The reversal of 25001212 is 21210052.

It is a junction number, because it is equal to n+sod(n) for n = 25001192 and 25001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3125148 + ... + 3125155.

Almost surely, 2^25001212 is an apocalyptic number.

It is an amenable number.

25001212 is a deficient number, since it is larger than the sum of its proper divisors (18750916).

25001212 is a wasteful number, since it uses less digits than its factorization.

25001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6250307 (or 6250305 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 25001212 is about 5000.1211985311. The cubic root of 25001212 is about 292.4064989576.

Adding to 25001212 its reverse (21210052), we get a palindrome (46211264).

The spelling of 25001212 in words is "twenty-five million, one thousand, two hundred twelve".