105412320450 has 36 divisors (see below), whose sum is σ = 283207768818. Its totient is φ = 28109952000.

The previous prime is 105412320413. The next prime is 105412320467. The reversal of 105412320450 is 54023214501.

It can be written as a sum of positive squares in 3 ways, for example, as 98457260841 + 6955059609 = 313779^2 + 83397^2 .

It is a super-2 number, since 2×105412320450² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 117124351 + ... + 117125250.

Almost surely, 2^105412320450 is an apocalyptic number.

105412320450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105412320450 is an abundant number, since it is smaller than the sum of its proper divisors (177795448368).

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

105412320450 is a wasteful number, since it uses less digits than its factorization.

105412320450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234249619 (or 234249611 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 105412320450 its reverse (54023214501), we get a palindrome (159435534951).

The spelling of 105412320450 in words is "one hundred five billion, four hundred twelve million, three hundred twenty thousand, four hundred fifty".