12267105620 has 48 divisors (see below), whose sum is σ = 32117516928. Its totient is φ = 3823512960.

The previous prime is 12267105607. The next prime is 12267105677. The reversal of 12267105620 is 2650176221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3981287 + ... + 3984366.

It is an arithmetic number, because the mean of its divisors is an integer number (669114936).

Almost surely, 2^12267105620 is an apocalyptic number.

12267105620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12267105620 is an abundant number, since it is smaller than the sum of its proper divisors (19850411308).

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

12267105620 is a wasteful number, since it uses less digits than its factorization.

12267105620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7965680 (or 7965678 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 12267105620 in words is "twelve billion, two hundred sixty-seven million, one hundred five thousand, six hundred twenty".