12272428137 has 8 divisors (see below), whose sum is σ = 16365498304. Its totient is φ = 8180488368.

The previous prime is 12272428117. The next prime is 12272428141. The reversal of 12272428137 is 73182427221.

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

It is not a de Polignac number, because 12272428137 - 2¹² = 12272424041 is a prime.

It is a super-2 number, since 2×12272428137² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12272428095 and 12272428104.

It is not an unprimeable number, because it can be changed into a prime (12272428117) 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, 256933 + ... + 300930.

It is an arithmetic number, because the mean of its divisors is an integer number (2045687288).

Almost surely, 2^12272428137 is an apocalyptic number.

It is an amenable number.

12272428137 is a deficient number, since it is larger than the sum of its proper divisors (4093070167).

12272428137 is an equidigital number, since it uses as much as digits as its factorization.

12272428137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565199.

The product of its digits is 75264, while the sum is 39.

The spelling of 12272428137 in words is "twelve billion, two hundred seventy-two million, four hundred twenty-eight thousand, one hundred thirty-seven".