12633061061 has 4 divisors (see below), whose sum is σ = 12847180800. Its totient is φ = 12418941324.

The previous prime is 12633061057. The next prime is 12633061099. The reversal of 12633061061 is 16016033621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12633061061 - 2² = 12633061057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633061561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107059781 + ... + 107059898.

It is an arithmetic number, because the mean of its divisors is an integer number (3211795200).

Almost surely, 2^12633061061 is an apocalyptic number.

It is an amenable number.

12633061061 is a deficient number, since it is larger than the sum of its proper divisors (214119739).

12633061061 is an equidigital number, since it uses as much as digits as its factorization.

12633061061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214119738.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 12633061061 its reverse (16016033621), we get a palindrome (28649094682).

The spelling of 12633061061 in words is "twelve billion, six hundred thirty-three million, sixty-one thousand, sixty-one".