201201211312 has 20 divisors (see below), whose sum is σ = 400363222336. Its totient is φ = 97881670080.

The previous prime is 201201211283. The next prime is 201201211333. The reversal of 201201211312 is 213112102102.

It is a super-2 number, since 2×201201211312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 169932864 + ... + 169934047.

Almost surely, 2^201201211312 is an apocalyptic number.

It is an amenable number.

201201211312 is a deficient number, since it is larger than the sum of its proper divisors (199162011024).

201201211312 is a wasteful number, since it uses less digits than its factorization.

201201211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339866956 (or 339866950 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 201201211312 its reverse (213112102102), we get a palindrome (414313313414).

The spelling of 201201211312 in words is "two hundred one billion, two hundred one million, two hundred eleven thousand, three hundred twelve".