201253031112 has 64 divisors (see below), whose sum is σ = 575968896000. Its totient is φ = 57404842560.

The previous prime is 201253031071. The next prime is 201253031129. The reversal of 201253031112 is 211130352102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899314 + ... + 1100577.

It is an arithmetic number, because the mean of its divisors is an integer number (8999514000).

Almost surely, 2^201253031112 is an apocalyptic number.

It is an amenable number.

201253031112 is an abundant number, since it is smaller than the sum of its proper divisors (374715864888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201253031112 is a wasteful number, since it uses less digits than its factorization.

201253031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000506 (or 2000502 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 201253031112 its reverse (211130352102), we get a palindrome (412383383214).

The spelling of 201253031112 in words is "two hundred one billion, two hundred fifty-three million, thirty-one thousand, one hundred twelve".