12606001251 has 8 divisors (see below), whose sum is σ = 16809377040. Its totient is φ = 8403313152.

The previous prime is 12606001241. The next prime is 12606001259. The reversal of 12606001251 is 15210060621.

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

It is not a de Polignac number, because 12606001251 - 2¹⁹ = 12605476963 is a prime.

It is a super-2 number, since 2×12606001251² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12606001259) 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, 127510 + ... + 203643.

It is an arithmetic number, because the mean of its divisors is an integer number (2101172130).

Almost surely, 2^12606001251 is an apocalyptic number.

12606001251 is a deficient number, since it is larger than the sum of its proper divisors (4203375789).

12606001251 is a wasteful number, since it uses less digits than its factorization.

12606001251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343845.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 12606001251 its reverse (15210060621), we get a palindrome (27816061872).

The spelling of 12606001251 in words is "twelve billion, six hundred six million, one thousand, two hundred fifty-one".