12605037421601 has 8 divisors (see below), whose sum is σ = 13212064965120. Its totient is φ = 12002925081312.

The previous prime is 12605037421507. The next prime is 12605037421621. The reversal of 12605037421601 is 10612473050621.

12605037421601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12605037421601 - 2⁴² = 8206990910497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12605037421621) 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, 1228795556 + ... + 1228805813.

It is an arithmetic number, because the mean of its divisors is an integer number (1651508120640).

Almost surely, 2^{12605037421601} is an apocalyptic number.

It is an amenable number.

12605037421601 is a deficient number, since it is larger than the sum of its proper divisors (607027543519).

12605037421601 is a wasteful number, since it uses less digits than its factorization.

12605037421601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457601615.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 12605037421601 in words is "twelve trillion, six hundred five billion, thirty-seven million, four hundred twenty-one thousand, six hundred one".