1272348367156 has 6 divisors (see below), whose sum is σ = 2226609642530. Its totient is φ = 636174183576.

The previous prime is 1272348367111. The next prime is 1272348367163. The reversal of 1272348367156 is 6517638432721.

It can be written as a sum of positive squares in only one way, i.e., 1110958160400 + 161390206756 = 1054020^2 + 401734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1272348367097 and 1272348367106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159043545891 + ... + 159043545898.

Almost surely, 2^{1272348367156} is an apocalyptic number.

It is an amenable number.

1272348367156 is a deficient number, since it is larger than the sum of its proper divisors (954261275374).

1272348367156 is a wasteful number, since it uses less digits than its factorization.

1272348367156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318087091793 (or 318087091791 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 55.

The spelling of 1272348367156 in words is "one trillion, two hundred seventy-two billion, three hundred forty-eight million, three hundred sixty-seven thousand, one hundred fifty-six".