84012443512 has 8 divisors (see below), whose sum is σ = 157523331600. Its totient is φ = 42006221752.

The previous prime is 84012443503. The next prime is 84012443521. The reversal of 84012443512 is 21534421048.

It is an interprime number because it is at equal distance from previous prime (84012443503) and next prime (84012443521).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250777712 + ... + 5250777727.

It is an arithmetic number, because the mean of its divisors is an integer number (19690416450).

Almost surely, 2^84012443512 is an apocalyptic number.

It is an amenable number.

84012443512 is a deficient number, since it is larger than the sum of its proper divisors (73510888088).

84012443512 is a wasteful number, since it uses less digits than its factorization.

84012443512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501555445 (or 10501555441 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 84012443512 in words is "eighty-four billion, twelve million, four hundred forty-three thousand, five hundred twelve".