12561202010 has 16 divisors (see below), whose sum is σ = 25840187136. Its totient is φ = 4306697808.

The previous prime is 12561201997. The next prime is 12561202051. The reversal of 12561202010 is 1020216521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89722802 + ... + 89722941.

It is an arithmetic number, because the mean of its divisors is an integer number (1615011696).

Almost surely, 2^12561202010 is an apocalyptic number.

12561202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12561202010 is an abundant number, since it is smaller than the sum of its proper divisors (13278985126).

12561202010 is a wasteful number, since it uses less digits than its factorization.

12561202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179445757.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12561202010 its reverse (1020216521), we get a palindrome (13581418531).

The spelling of 12561202010 in words is "twelve billion, five hundred sixty-one million, two hundred two thousand, ten".