12197829512 has 32 divisors (see below), whose sum is σ = 24954393600. Its totient is φ = 5543515200.

The previous prime is 12197829509. The next prime is 12197829547. The reversal of 12197829512 is 21592879121.

It is a super-3 number, since 3×12197829512³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882914 + ... + 896622.

It is an arithmetic number, because the mean of its divisors is an integer number (779824800).

Almost surely, 2^12197829512 is an apocalyptic number.

It is an amenable number.

12197829512 is an abundant number, since it is smaller than the sum of its proper divisors (12756564088).

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

12197829512 is a wasteful number, since it uses less digits than its factorization.

12197829512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23837 (or 23833 counting only the distinct ones).

The product of its digits is 181440, while the sum is 47.

The spelling of 12197829512 in words is "twelve billion, one hundred ninety-seven million, eight hundred twenty-nine thousand, five hundred twelve".