12269938580 has 12 divisors (see below), whose sum is σ = 25766871060. Its totient is φ = 4907975424.

The previous prime is 12269938573. The next prime is 12269938589. The reversal of 12269938580 is 8583996221.

It can be written as a sum of positive squares in 2 ways, for example, as 2594068624 + 9675869956 = 50932^2 + 98366^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12269938589) 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, 306748445 + ... + 306748484.

It is an arithmetic number, because the mean of its divisors is an integer number (2147239255).

Almost surely, 2^12269938580 is an apocalyptic number.

12269938580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12269938580 is an abundant number, since it is smaller than the sum of its proper divisors (13496932480).

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

12269938580 is a wasteful number, since it uses less digits than its factorization.

12269938580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613496938 (or 613496936 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 12269938580 in words is "twelve billion, two hundred sixty-nine million, nine hundred thirty-eight thousand, five hundred eighty".