12270169648 has 20 divisors (see below), whose sum is σ = 25934677128. Its totient is φ = 5577349760.

The previous prime is 12270169621. The next prime is 12270169649. The reversal of 12270169648 is 84696107221.

It is a junction number, because it is equal to n+sod(n) for n = 12270169598 and 12270169607.

It is not an unprimeable number, because it can be changed into a prime (12270169649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34858261 + ... + 34858612.

Almost surely, 2^12270169648 is an apocalyptic number.

It is an amenable number.

12270169648 is an abundant number, since it is smaller than the sum of its proper divisors (13664507480).

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

12270169648 is a wasteful number, since it uses less digits than its factorization.

12270169648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69716892 (or 69716886 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 12270169648 in words is "twelve billion, two hundred seventy million, one hundred sixty-nine thousand, six hundred forty-eight".