12402331047 has 6 divisors (see below), whose sum is σ = 17914478192. Its totient is φ = 8268220692.

The previous prime is 12402331037. The next prime is 12402331061. The reversal of 12402331047 is 74013320421.

It is a happy number.

It is not a de Polignac number, because 12402331047 - 2¹⁰ = 12402330023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12402331047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402331027) 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 5 ways as a sum of consecutive naturals, for example, 689018383 + ... + 689018400.

Almost surely, 2^12402331047 is an apocalyptic number.

12402331047 is a deficient number, since it is larger than the sum of its proper divisors (5512147145).

12402331047 is a wasteful number, since it uses less digits than its factorization.

12402331047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378036789 (or 1378036786 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 12402331047 its reverse (74013320421), we get a palindrome (86415651468).

The spelling of 12402331047 in words is "twelve billion, four hundred two million, three hundred thirty-one thousand, forty-seven".