1243310617142 has 64 divisors (see below), whose sum is σ = 2182692096000. Its totient is φ = 525516055680.

The previous prime is 1243310617141. The next prime is 1243310617183. The reversal of 1243310617142 is 2417160133421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243310617141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3368084 + ... + 3718952.

It is an arithmetic number, because the mean of its divisors is an integer number (34104564000).

Almost surely, 2^{1243310617142} is an apocalyptic number.

1243310617142 is a deficient number, since it is larger than the sum of its proper divisors (939381478858).

1243310617142 is a wasteful number, since it uses less digits than its factorization.

1243310617142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351101.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 1243310617142 in words is "one trillion, two hundred forty-three billion, three hundred ten million, six hundred seventeen thousand, one hundred forty-two".