12047719354 has 16 divisors (see below), whose sum is σ = 19745228736. Its totient is φ = 5467686400.

The previous prime is 12047719351. The next prime is 12047719357. The reversal of 12047719354 is 45391774021.

It is an interprime number because it is at equal distance from previous prime (12047719351) and next prime (12047719357).

It is a self number, because there is not a number n which added to its sum of digits gives 12047719354.

It is not an unprimeable number, because it can be changed into a prime (12047719351) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 413062 + ... + 441265.

It is an arithmetic number, because the mean of its divisors is an integer number (1234076796).

Almost surely, 2^12047719354 is an apocalyptic number.

12047719354 is a deficient number, since it is larger than the sum of its proper divisors (7697509382).

12047719354 is a wasteful number, since it uses less digits than its factorization.

12047719354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854981.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 12047719354 in words is "twelve billion, forty-seven million, seven hundred nineteen thousand, three hundred fifty-four".