84149481012 has 12 divisors (see below), whose sum is σ = 196348789056. Its totient is φ = 28049827000.

The previous prime is 84149480999. The next prime is 84149481133. The reversal of 84149481012 is 21018494148.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×84149481012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3506228364 + ... + 3506228387.

It is an arithmetic number, because the mean of its divisors is an integer number (16362399088).

Almost surely, 2^84149481012 is an apocalyptic number.

It is an amenable number.

84149481012 is an abundant number, since it is smaller than the sum of its proper divisors (112199308044).

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

84149481012 is a wasteful number, since it uses less digits than its factorization.

84149481012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012456758 (or 7012456756 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 84149481012 in words is "eighty-four billion, one hundred forty-nine million, four hundred eighty-one thousand, twelve".