12020272700 has 36 divisors (see below), whose sum is σ = 26089085400. Its totient is φ = 4807170240.

The previous prime is 12020272697. The next prime is 12020272757. The reversal of 12020272700 is 727202021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 746939 + ... + 762861.

Almost surely, 2^12020272700 is an apocalyptic number.

12020272700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020272700 is an abundant number, since it is smaller than the sum of its proper divisors (14068812700).

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

12020272700 is a wasteful number, since it uses less digits than its factorization.

12020272700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23486 (or 23479 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

Adding to 12020272700 its reverse (727202021), we get a palindrome (12747474721).

The spelling of 12020272700 in words is "twelve billion, twenty million, two hundred seventy-two thousand, seven hundred".