201226205134 has 16 divisors (see below), whose sum is σ = 306002864160. Its totient is φ = 99225509760.

The previous prime is 201226205123. The next prime is 201226205161. The reversal of 201226205134 is 431502622102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647639 + ... + 1765549.

It is an arithmetic number, because the mean of its divisors is an integer number (19125179010).

Almost surely, 2^201226205134 is an apocalyptic number.

201226205134 is a deficient number, since it is larger than the sum of its proper divisors (104776659026).

201226205134 is a wasteful number, since it uses less digits than its factorization.

201226205134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129675.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 201226205134 its reverse (431502622102), we get a palindrome (632728827236).

The spelling of 201226205134 in words is "two hundred one billion, two hundred twenty-six million, two hundred five thousand, one hundred thirty-four".