12262506651421 has 8 divisors (see below), whose sum is σ = 13631769181184. Its totient is φ = 10954100234160.

The previous prime is 12262506651397. The next prime is 12262506651467. The reversal of 12262506651421 is 12415660526221.

It is a happy number.

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 12262506651421 - 2³³ = 12253916716829 is a prime.

It is a super-2 number, since 2×12262506651421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12262506651221) 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, 15214027701 + ... + 15214028506.

It is an arithmetic number, because the mean of its divisors is an integer number (1703971147648).

Almost surely, 2^{12262506651421} is an apocalyptic number.

It is an amenable number.

12262506651421 is a deficient number, since it is larger than the sum of its proper divisors (1369262529763).

12262506651421 is a wasteful number, since it uses less digits than its factorization.

12262506651421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30428056251.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 12262506651421 in words is "twelve trillion, two hundred sixty-two billion, five hundred six million, six hundred fifty-one thousand, four hundred twenty-one".