105345331020412 has 48 divisors (see below), whose sum is σ = 210870854143488. Its totient is φ = 45109394614080.

The previous prime is 105345331020401. The next prime is 105345331020443. The reversal of 105345331020412 is 214020133543501.

It is a super-2 number, since 2×105345331020412² (a number of 29 digits) contains 22 as substring.

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, 317180338 + ... + 317512294.

It is an arithmetic number, because the mean of its divisors is an integer number (4393142794656).

Almost surely, 2^{105345331020412} is an apocalyptic number.

It is an amenable number.

105345331020412 is an abundant number, since it is smaller than the sum of its proper divisors (105525523123076).

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

105345331020412 is a wasteful number, since it uses less digits than its factorization.

105345331020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341626 (or 341624 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 105345331020412 its reverse (214020133543501), we get a palindrome (319365464563913).

The spelling of 105345331020412 in words is "one hundred five trillion, three hundred forty-five billion, three hundred thirty-one million, twenty thousand, four hundred twelve".