33101112012 has 48 divisors (see below), whose sum is σ = 81799304832. Its totient is φ = 10382112000.

The previous prime is 33101112007. The next prime is 33101112019. The reversal of 33101112012 is 21021110133.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 33101111982 and 33101112000.

It is not an unprimeable number, because it can be changed into a prime (33101112019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921387 + ... + 956637.

It is an arithmetic number, because the mean of its divisors is an integer number (1704152184).

Almost surely, 2^33101112012 is an apocalyptic number.

It is an amenable number.

33101112012 is an abundant number, since it is smaller than the sum of its proper divisors (48698192820).

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

33101112012 is a wasteful number, since it uses less digits than its factorization.

33101112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39878 (or 39876 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 33101112012 its reverse (21021110133), we get a palindrome (54122222145).

The spelling of 33101112012 in words is "thirty-three billion, one hundred one million, one hundred twelve thousand, twelve".