12197236740 has 48 divisors (see below), whose sum is σ = 36779362368. Its totient is φ = 3002396544.

The previous prime is 12197236729. The next prime is 12197236741. The reversal of 12197236740 is 4763279121.

It is a junction number, because it is equal to n+sod(n) for n = 12197236692 and 12197236701.

It is not an unprimeable number, because it can be changed into a prime (12197236741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7817962 + ... + 7819521.

It is an arithmetic number, because the mean of its divisors is an integer number (766236716).

Almost surely, 2^12197236740 is an apocalyptic number.

12197236740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12197236740 is an abundant number, since it is smaller than the sum of its proper divisors (24582125628).

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

12197236740 is a wasteful number, since it uses less digits than its factorization.

12197236740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15637508 (or 15637506 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 12197236740 in words is "twelve billion, one hundred ninety-seven million, two hundred thirty-six thousand, seven hundred forty".