84505131048012 has 48 divisors (see below), whose sum is σ = 198996430641792. Its totient is φ = 27908875088640.

The previous prime is 84505131047963. The next prime is 84505131048053. The reversal of 84505131048012 is 21084013150548.

It is a happy number.

It is a super-2 number, since 2×84505131048012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7706398 + ... + 15112869.

It is an arithmetic number, because the mean of its divisors is an integer number (4145758971704).

Almost surely, 2^{84505131048012} is an apocalyptic number.

It is an amenable number.

84505131048012 is an abundant number, since it is smaller than the sum of its proper divisors (114491299593780).

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

84505131048012 is a wasteful number, since it uses less digits than its factorization.

84505131048012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22822118 (or 22822116 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 84505131048012 in words is "eighty-four trillion, five hundred five billion, one hundred thirty-one million, forty-eight thousand, twelve".