205241212132 has 24 divisors (see below), whose sum is σ = 391874837760. Its totient is φ = 93279387360.

The previous prime is 205241212117. The next prime is 205241212139. The reversal of 205241212132 is 231212142502.

It is a junction number, because it is equal to n+sod(n) for n = 205241212097 and 205241212106.

It is not an unprimeable number, because it can be changed into a prime (205241212139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46573 + ... + 642379.

It is an arithmetic number, because the mean of its divisors is an integer number (16328118240).

Almost surely, 2^205241212132 is an apocalyptic number.

205241212132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

205241212132 is a deficient number, since it is larger than the sum of its proper divisors (186633625628).

205241212132 is a wasteful number, since it uses less digits than its factorization.

205241212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603651 (or 603649 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 205241212132 its reverse (231212142502), we get a palindrome (436453354634).

The spelling of 205241212132 in words is "two hundred five billion, two hundred forty-one million, two hundred twelve thousand, one hundred thirty-two".