12247140990 has 64 divisors (see below), whose sum is σ = 33674526720. Its totient is φ = 2792482560.

The previous prime is 12247140989. The next prime is 12247140991. The reversal of 12247140990 is 9904174221.

It is an interprime number because it is at equal distance from previous prime (12247140989) and next prime (12247140991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12247140991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14595 + ... + 157185.

It is an arithmetic number, because the mean of its divisors is an integer number (526164480).

Almost surely, 2^12247140990 is an apocalyptic number.

12247140990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12247140990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16837263360).

12247140990 is an abundant number, since it is smaller than the sum of its proper divisors (21427385730).

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

12247140990 is a wasteful number, since it uses less digits than its factorization.

12247140990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143017.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 12247140990 in words is "twelve billion, two hundred forty-seven million, one hundred forty thousand, nine hundred ninety".