12331956406 has 32 divisors (see below), whose sum is σ = 23354311680. Its totient is φ = 4743835200.

The previous prime is 12331956379. The next prime is 12331956407. The reversal of 12331956406 is 60465913321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331956407) 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 15 ways as a sum of consecutive naturals, for example, 494655 + ... + 518986.

It is an arithmetic number, because the mean of its divisors is an integer number (729822240).

Almost surely, 2^12331956406 is an apocalyptic number.

12331956406 is a deficient number, since it is larger than the sum of its proper divisors (11022355274).

12331956406 is a wasteful number, since it uses less digits than its factorization.

12331956406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013740.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 12331956406 in words is "twelve billion, three hundred thirty-one million, nine hundred fifty-six thousand, four hundred six".