1242305456416 has 24 divisors (see below), whose sum is σ = 2447507712384. Its totient is φ = 620716196160.

The previous prime is 1242305456411. The next prime is 1242305456489. The reversal of 1242305456416 is 6146545032421.

It is not an unprimeable number, because it can be changed into a prime (1242305456411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13595380 + ... + 13686451.

It is an arithmetic number, because the mean of its divisors is an integer number (101979488016).

Almost surely, 2^{1242305456416} is an apocalyptic number.

1242305456416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1242305456416 is a deficient number, since it is larger than the sum of its proper divisors (1205202255968).

1242305456416 is a wasteful number, since it uses less digits than its factorization.

1242305456416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27283264 (or 27283256 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 1242305456416 in words is "one trillion, two hundred forty-two billion, three hundred five million, four hundred fifty-six thousand, four hundred sixteen".