12421601625606 has 8 divisors (see below), whose sum is σ = 24843203251224. Its totient is φ = 4140533875200.

The previous prime is 12421601625557. The next prime is 12421601625611. The reversal of 12421601625606 is 60652610612421.

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

12421601625606 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035133468795 + ... + 1035133468806.

It is an arithmetic number, because the mean of its divisors is an integer number (3105400406403).

Almost surely, 2^{12421601625606} is an apocalyptic number.

12421601625606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12421601625606 is a wasteful number, since it uses less digits than its factorization.

12421601625606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070266937606.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 12421601625606 in words is "twelve trillion, four hundred twenty-one billion, six hundred one million, six hundred twenty-five thousand, six hundred six".