105345352612 has 12 divisors (see below), whose sum is σ = 184414852300. Its totient is φ = 52655394816.

The previous prime is 105345352591. The next prime is 105345352621. The reversal of 105345352612 is 216253543501.

It can be written as a sum of positive squares in 2 ways, for example, as 34159910976 + 71185441636 = 184824^2 + 266806^2 .

It is a super-2 number, since 2×105345352612² (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 3 ways as a sum of consecutive naturals, for example, 4306653 + ... + 4331044.

Almost surely, 2^105345352612 is an apocalyptic number.

It is an amenable number.

105345352612 is a deficient number, since it is larger than the sum of its proper divisors (79069499688).

105345352612 is a wasteful number, since it uses less digits than its factorization.

105345352612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640750 (or 8640748 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 105345352612 in words is "one hundred five billion, three hundred forty-five million, three hundred fifty-two thousand, six hundred twelve".