12449292921280 has 28 divisors (see below), whose sum is σ = 29644878769560. Its totient is φ = 4979717168384.

The previous prime is 12449292921277. The next prime is 12449292921293. The reversal of 12449292921280 is 8212929294421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19452019870 + ... + 19452020509.

Almost surely, 2^{12449292921280} is an apocalyptic number.

12449292921280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12449292921280 is an abundant number, since it is smaller than the sum of its proper divisors (17195585848280).

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

12449292921280 is an equidigital number, since it uses as much as digits as its factorization.

12449292921280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38904040396 (or 38904040386 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 12449292921280 in words is "twelve trillion, four hundred forty-nine billion, two hundred ninety-two million, nine hundred twenty-one thousand, two hundred eighty".