1012117055145 has 24 divisors (see below), whose sum is σ = 1883777050944. Its totient is φ = 462682082016.

The previous prime is 1012117055123. The next prime is 1012117055197. The reversal of 1012117055145 is 5415507112101.

It is not a de Polignac number, because 1012117055145 - 2⁹ = 1012117054633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 688514269 + ... + 688515738.

It is an arithmetic number, because the mean of its divisors is an integer number (78490710456).

Almost surely, 2^{1012117055145} is an apocalyptic number.

1012117055145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012117055145 is a deficient number, since it is larger than the sum of its proper divisors (871659995799).

1012117055145 is a wasteful number, since it uses less digits than its factorization.

1012117055145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377030029 (or 1377030022 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 33.

The spelling of 1012117055145 in words is "one trillion, twelve billion, one hundred seventeen million, fifty-five thousand, one hundred forty-five".