20133012112 has 40 divisors (see below), whose sum is σ = 40138100640. Its totient is φ = 9777411840.

The previous prime is 20133012079. The next prime is 20133012139. The reversal of 20133012112 is 21121033102.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41412 + ... + 204892.

It is an arithmetic number, because the mean of its divisors is an integer number (1003452516).

Almost surely, 2^20133012112 is an apocalyptic number.

It is an amenable number.

20133012112 is a deficient number, since it is larger than the sum of its proper divisors (20005088528).

20133012112 is a wasteful number, since it uses less digits than its factorization.

20133012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163711 (or 163705 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20133012112 its reverse (21121033102), we get a palindrome (41254045214).

The spelling of 20133012112 in words is "twenty billion, one hundred thirty-three million, twelve thousand, one hundred twelve".