1012533813618 has 16 divisors (see below), whose sum is σ = 2028810827136. Its totient is φ = 336887404560.

The previous prime is 1012533813617. The next prime is 1012533813619. The reversal of 1012533813618 is 8163183352101.

It is an interprime number because it is at equal distance from previous prime (1012533813617) and next prime (1012533813619).

It is a self number, because there is not a number n which added to its sum of digits gives 1012533813618.

It is not an unprimeable number, because it can be changed into a prime (1012533813611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155963146 + ... + 155969637.

It is an arithmetic number, because the mean of its divisors is an integer number (126800676696).

Almost surely, 2^{1012533813618} is an apocalyptic number.

1012533813618 is an abundant number, since it is smaller than the sum of its proper divisors (1016277013518).

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

1012533813618 is a wasteful number, since it uses less digits than its factorization.

1012533813618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311933329.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 1012533813618 in words is "one trillion, twelve billion, five hundred thirty-three million, eight hundred thirteen thousand, six hundred eighteen".