201264315226 has 16 divisors (see below), whose sum is σ = 325373928264. Its totient is φ = 92818465344.

The previous prime is 201264315211. The next prime is 201264315233. The reversal of 201264315226 is 622513462102.

It can be written as a sum of positive squares in 4 ways, for example, as 194833077201 + 6431238025 = 441399^2 + 80195^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201264315191 and 201264315200.

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, 2997705 + ... + 3064108.

Almost surely, 2^201264315226 is an apocalyptic number.

201264315226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

201264315226 is a deficient number, since it is larger than the sum of its proper divisors (124109613038).

201264315226 is a wasteful number, since it uses less digits than its factorization.

201264315226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6063105.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 201264315226 its reverse (622513462102), we get a palindrome (823777777328).

The spelling of 201264315226 in words is "two hundred one billion, two hundred sixty-four million, three hundred fifteen thousand, two hundred twenty-six".