1272416927516 has 12 divisors (see below), whose sum is σ = 2544833855088. Its totient is φ = 545321540352.

The previous prime is 1272416927489. The next prime is 1272416927531. The reversal of 1272416927516 is 6157296142721.

1272416927516 is an admirable number.

It is a congruent 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, 22721730821 + ... + 22721730876.

It is an arithmetic number, because the mean of its divisors is an integer number (212069487924).

Almost surely, 2^{1272416927516} is an apocalyptic number.

It is an amenable number.

1272416927516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1272416927516 is a wasteful number, since it uses less digits than its factorization.

1272416927516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45443461708 (or 45443461706 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The spelling of 1272416927516 in words is "one trillion, two hundred seventy-two billion, four hundred sixteen million, nine hundred twenty-seven thousand, five hundred sixteen".