105004354512 has 80 divisors (see below), whose sum is σ = 290445160320. Its totient is φ = 32572379136.

The previous prime is 105004354493. The next prime is 105004354513. The reversal of 105004354512 is 215453400501.

It is a super-2 number, since 2×105004354512² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105004354512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105004354513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650308 + ... + 795555.

It is an arithmetic number, because the mean of its divisors is an integer number (3630564504).

Almost surely, 2^105004354512 is an apocalyptic number.

105004354512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105004354512 is an abundant number, since it is smaller than the sum of its proper divisors (185440805808).

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

105004354512 is a wasteful number, since it uses less digits than its factorization.

105004354512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445980 (or 1445974 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 105004354512 in words is "one hundred five billion, four million, three hundred fifty-four thousand, five hundred twelve".