12642612146 has 8 divisors (see below), whose sum is σ = 19024896384. Its totient is φ = 6300980020.

The previous prime is 12642612127. The next prime is 12642612149. The reversal of 12642612146 is 64121624621.

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

It is not an unprimeable number, because it can be changed into a prime (12642612149) 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, 10162250 + ... + 10163493.

It is an arithmetic number, because the mean of its divisors is an integer number (2378112048).

Almost surely, 2^12642612146 is an apocalyptic number.

12642612146 is a deficient number, since it is larger than the sum of its proper divisors (6382284238).

12642612146 is a wasteful number, since it uses less digits than its factorization.

12642612146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20326056.

The product of its digits is 27648, while the sum is 35.

The spelling of 12642612146 in words is "twelve billion, six hundred forty-two million, six hundred twelve thousand, one hundred forty-six".