205212300153 has 32 divisors (see below), whose sum is σ = 313553157120. Its totient is φ = 116946296640.

The previous prime is 205212300151. The next prime is 205212300179. The reversal of 205212300153 is 351003212502.

It is a happy number.

It is not a de Polignac number, because 205212300153 - 2¹ = 205212300151 is a prime.

It is a super-2 number, since 2×205212300153² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205212300151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14296326 + ... + 14310672.

It is an arithmetic number, because the mean of its divisors is an integer number (9798536160).

Almost surely, 2^205212300153 is an apocalyptic number.

It is an amenable number.

205212300153 is a deficient number, since it is larger than the sum of its proper divisors (108340856967).

205212300153 is a wasteful number, since it uses less digits than its factorization.

205212300153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16157.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 205212300153 its reverse (351003212502), we get a palindrome (556215512655).

The spelling of 205212300153 in words is "two hundred five billion, two hundred twelve million, three hundred thousand, one hundred fifty-three".