12199266860 has 48 divisors (see below), whose sum is σ = 28341073152. Its totient is φ = 4373611200.

The previous prime is 12199266857. The next prime is 12199266869. The reversal of 12199266860 is 6866299121.

It is a super-2 number, since 2×12199266860² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12199266799 and 12199266808.

It is not an unprimeable number, because it can be changed into a prime (12199266869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374882 + ... + 406121.

It is an arithmetic number, because the mean of its divisors is an integer number (590439024).

Almost surely, 2^12199266860 is an apocalyptic number.

12199266860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12199266860 is an abundant number, since it is smaller than the sum of its proper divisors (16141806292).

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

12199266860 is a wasteful number, since it uses less digits than its factorization.

12199266860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781094 (or 781092 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 12199266860 in words is "twelve billion, one hundred ninety-nine million, two hundred sixty-six thousand, eight hundred sixty".