1012345668788 has 6 divisors (see below), whose sum is σ = 1771604920386. Its totient is φ = 506172834392.

The previous prime is 1012345668767. The next prime is 1012345668793. The reversal of 1012345668788 is 8878665432101.

It can be written as a sum of positive squares in only one way, i.e., 739665361444 + 272680307344 = 860038^2 + 522188^2 .

It is a super-2 number, since 2×1012345668788² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126543208595 + ... + 126543208602.

It is an arithmetic number, because the mean of its divisors is an integer number (295267486731).

Almost surely, 2^{1012345668788} is an apocalyptic number.

It is an amenable number.

1012345668788 is a deficient number, since it is larger than the sum of its proper divisors (759259251598).

1012345668788 is a wasteful number, since it uses less digits than its factorization.

1012345668788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253086417201 (or 253086417199 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 59.

The spelling of 1012345668788 in words is "one trillion, twelve billion, three hundred forty-five million, six hundred sixty-eight thousand, seven hundred eighty-eight".