25123202012 has 6 divisors (see below), whose sum is σ = 43965603528. Its totient is φ = 12561601004.

The previous prime is 25123202009. The next prime is 25123202047. The reversal of 25123202012 is 21020232152.

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, 3140400248 + ... + 3140400255.

It is an arithmetic number, because the mean of its divisors is an integer number (7327600588).

Almost surely, 2^25123202012 is an apocalyptic number.

It is an amenable number.

25123202012 is a deficient number, since it is larger than the sum of its proper divisors (18842401516).

25123202012 is a wasteful number, since it uses less digits than its factorization.

25123202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280800507 (or 6280800505 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 25123202012 its reverse (21020232152), we get a palindrome (46143434164).

The spelling of 25123202012 in words is "twenty-five billion, one hundred twenty-three million, two hundred two thousand, twelve".