201155300312 has 16 divisors (see below), whose sum is σ = 377176551840. Its totient is φ = 100574886496.

The previous prime is 201155300293. The next prime is 201155300323. The reversal of 201155300312 is 213003551102.

It is a happy number.

It is a super-2 number, since 2×201155300312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17843 + ... + 634530.

It is an arithmetic number, because the mean of its divisors is an integer number (23573534490).

Almost surely, 2^201155300312 is an apocalyptic number.

It is an amenable number.

201155300312 is a deficient number, since it is larger than the sum of its proper divisors (176021251528).

201155300312 is a wasteful number, since it uses less digits than its factorization.

201155300312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690922 (or 690918 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 201155300312 its reverse (213003551102), we get a palindrome (414158851414).

The spelling of 201155300312 in words is "two hundred one billion, one hundred fifty-five million, three hundred thousand, three hundred twelve".