201001123023112 has 64 divisors (see below), whose sum is σ = 387054368870400. Its totient is φ = 97817081806080.

The previous prime is 201001123023073. The next prime is 201001123023131. The reversal of 201001123023112 is 211320321100102.

It is a self number, because there is not a number n which added to its sum of digits gives 201001123023112.

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, 497299662 + ... + 497703682.

It is an arithmetic number, because the mean of its divisors is an integer number (6047724513600).

Almost surely, 2^{201001123023112} is an apocalyptic number.

It is an amenable number.

201001123023112 is a deficient number, since it is larger than the sum of its proper divisors (186053245847288).

201001123023112 is a wasteful number, since it uses less digits than its factorization.

201001123023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413446 (or 413442 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201001123023112 its reverse (211320321100102), we get a palindrome (412321444123214).

The spelling of 201001123023112 in words is "two hundred one trillion, one billion, one hundred twenty-three million, twenty-three thousand, one hundred twelve".