201112220312 has 16 divisors (see below), whose sum is σ = 377202242400. Its totient is φ = 100524955680.

The previous prime is 201112220299. The next prime is 201112220329. The reversal of 201112220312 is 213022211102.

It is a super-2 number, since 2×201112220312² (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, 3866864 + ... + 3918527.

It is an arithmetic number, because the mean of its divisors is an integer number (23575140150).

Almost surely, 2^201112220312 is an apocalyptic number.

It is an amenable number.

201112220312 is a deficient number, since it is larger than the sum of its proper divisors (176090022088).

201112220312 is a wasteful number, since it uses less digits than its factorization.

201112220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7788626 (or 7788622 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201112220312 its reverse (213022211102), we get a palindrome (414134431414).

The spelling of 201112220312 in words is "two hundred one billion, one hundred twelve million, two hundred twenty thousand, three hundred twelve".