105012030 has 32 divisors (see below), whose sum is σ = 254267424. Its totient is φ = 27754496.

The previous prime is 105012001. The next prime is 105012041. The reversal of 105012030 is 30210501.

It is a super-2 number, since 2×105012030² = 22055052889441800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105011997 and 105012015.

It is a congruent number.

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, 12099 + ... + 18878.

It is an arithmetic number, because the mean of its divisors is an integer number (7945857).

Almost surely, 2^105012030 is an apocalyptic number.

105012030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105012030 is an abundant number, since it is smaller than the sum of its proper divisors (149255394).

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

105012030 is a wasteful number, since it uses less digits than its factorization.

105012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31100.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 105012030 is about 10247.5377530410. The cubic root of 105012030 is about 471.7874144416.

Adding to 105012030 its reverse (30210501), we get a palindrome (135222531).

The spelling of 105012030 in words is "one hundred five million, twelve thousand, thirty".