12653420061 has 8 divisors (see below), whose sum is σ = 16992603040. Its totient is φ = 8374925232.

The previous prime is 12653420057. The next prime is 12653420081. The reversal of 12653420061 is 16002435621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12653420061 - 2² = 12653420057 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 (12653420081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15171550 + ... + 15172383.

It is an arithmetic number, because the mean of its divisors is an integer number (2124075380).

Almost surely, 2^12653420061 is an apocalyptic number.

It is an amenable number.

12653420061 is a deficient number, since it is larger than the sum of its proper divisors (4339182979).

12653420061 is a wasteful number, since it uses less digits than its factorization.

12653420061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30344075.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 12653420061 its reverse (16002435621), we get a palindrome (28655855682).

The spelling of 12653420061 in words is "twelve billion, six hundred fifty-three million, four hundred twenty thousand, sixty-one".