30012860775881 has 4 divisors (see below), whose sum is σ = 30038018246292. Its totient is φ = 29987703305472.

The previous prime is 30012860775869. The next prime is 30012860775893. The reversal of 30012860775881 is 18857706821003.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30012860775869) and next prime (30012860775893).

It can be written as a sum of positive squares in 2 ways, for example, as 5909474145481 + 24103386630400 = 2430941^2 + 4909520^2 .

It is a cyclic number.

It is not a de Polignac number, because 30012860775881 - 2⁶ = 30012860775817 is a prime.

It is a super-2 number, since 2×30012860775881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30012860775811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12578733416 + ... + 12578735801.

It is an arithmetic number, because the mean of its divisors is an integer number (7509504561573).

Almost surely, 2^{30012860775881} is an apocalyptic number.

It is an amenable number.

30012860775881 is a deficient number, since it is larger than the sum of its proper divisors (25157470411).

30012860775881 is a wasteful number, since it uses less digits than its factorization.

30012860775881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25157470410.

The product of its (nonzero) digits is 4515840, while the sum is 56.

The spelling of 30012860775881 in words is "thirty trillion, twelve billion, eight hundred sixty million, seven hundred seventy-five thousand, eight hundred eighty-one".