12249086940 has 72 divisors (see below), whose sum is σ = 37213879248. Its totient is φ = 3261296640.

The previous prime is 12249086929. The next prime is 12249086951. The reversal of 12249086940 is 4968094221.

It is an interprime number because it is at equal distance from previous prime (12249086929) and next prime (12249086951).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 62299 + ... + 168461.

It is an arithmetic number, because the mean of its divisors is an integer number (516859434).

Almost surely, 2^12249086940 is an apocalyptic number.

12249086940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12249086940 is an abundant number, since it is smaller than the sum of its proper divisors (24964792308).

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

12249086940 is a wasteful number, since it uses less digits than its factorization.

12249086940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106819 (or 106814 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 12249086940 in words is "twelve billion, two hundred forty-nine million, eighty-six thousand, nine hundred forty".