1243064770316 has 12 divisors (see below), whose sum is σ = 2175708086160. Its totient is φ = 621433888560.

The previous prime is 1243064770237. The next prime is 1243064770327. The reversal of 1243064770316 is 6130774603421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24595751 + ... + 24646238.

It is an arithmetic number, because the mean of its divisors is an integer number (181309007180).

Almost surely, 2^{1243064770316} is an apocalyptic number.

It is an amenable number.

1243064770316 is a deficient number, since it is larger than the sum of its proper divisors (932643315844).

1243064770316 is a wasteful number, since it uses less digits than its factorization.

1243064770316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49248304 (or 49248302 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 1243064770316 in words is "one trillion, two hundred forty-three billion, sixty-four million, seven hundred seventy thousand, three hundred sixteen".