12447357084435 has 128 divisors (see below), whose sum is σ = 26790798311424. Its totient is φ = 4784070574080.

The previous prime is 12447357084427. The next prime is 12447357084457. The reversal of 12447357084435 is 53448075374421.

It is not a de Polignac number, because 12447357084435 - 2³ = 12447357084427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7932394 + ... + 9371103.

It is an arithmetic number, because the mean of its divisors is an integer number (209303111808).

Almost surely, 2^{12447357084435} is an apocalyptic number.

12447357084435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12447357084435 is an abundant number, since it is smaller than the sum of its proper divisors (14343441226989).

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

12447357084435 is a wasteful number, since it uses less digits than its factorization.

12447357084435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17303573.

The product of its (nonzero) digits is 45158400, while the sum is 57.

The spelling of 12447357084435 in words is "twelve trillion, four hundred forty-seven billion, three hundred fifty-seven million, eighty-four thousand, four hundred thirty-five".