205044146512 has 20 divisors (see below), whose sum is σ = 397284081120. Its totient is φ = 102519222368.

The previous prime is 205044146491. The next prime is 205044146513. The reversal of 205044146512 is 215641440502.

It is a super-2 number, since 2×205044146512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205044146513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491439 + ... + 807217.

It is an arithmetic number, because the mean of its divisors is an integer number (19864204056).

Almost surely, 2^205044146512 is an apocalyptic number.

It is an amenable number.

205044146512 is a deficient number, since it is larger than the sum of its proper divisors (192239934608).

205044146512 is a wasteful number, since it uses less digits than its factorization.

205044146512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356370 (or 356364 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 205044146512 in words is "two hundred five billion, forty-four million, one hundred forty-six thousand, five hundred twelve".