105620012 has 24 divisors (see below), whose sum is σ = 195053040. Its totient is φ = 49904640.

The previous prime is 105619999. The next prime is 105620027. The reversal of 105620012 is 210026501.

It is a super-2 number, since 2×105620012² = 22311173869760288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33212 + ... + 36252.

It is an arithmetic number, because the mean of its divisors is an integer number (8127210).

Almost surely, 2^105620012 is an apocalyptic number.

It is an amenable number.

105620012 is a deficient number, since it is larger than the sum of its proper divisors (89433028).

105620012 is a wasteful number, since it uses less digits than its factorization.

105620012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521 (or 3519 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 105620012 is about 10277.1597243596. The cubic root of 105620012 is about 472.6961562493.

Adding to 105620012 its reverse (210026501), we get a palindrome (315646513).

The spelling of 105620012 in words is "one hundred five million, six hundred twenty thousand, twelve".