12601642213 has 4 divisors (see below), whose sum is σ = 13264886560. Its totient is φ = 11938397868.

The previous prime is 12601642181. The next prime is 12601642231. The reversal of 12601642213 is 31224610621.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31224610621 = 19 ⋅1643400559.

It is a cyclic number.

It is not a de Polignac number, because 12601642213 - 2⁵ = 12601642181 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 (12601642243) 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, 331622145 + ... + 331622182.

It is an arithmetic number, because the mean of its divisors is an integer number (3316221640).

Almost surely, 2^12601642213 is an apocalyptic number.

It is an amenable number.

12601642213 is a deficient number, since it is larger than the sum of its proper divisors (663244347).

12601642213 is an equidigital number, since it uses as much as digits as its factorization.

12601642213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663244346.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 12601642213 in words is "twelve billion, six hundred one million, six hundred forty-two thousand, two hundred thirteen".