33135420312 has 96 divisors (see below), whose sum is σ = 90242736480. Its totient is φ = 10983651840.

The previous prime is 33135420299. The next prime is 33135420343. The reversal of 33135420312 is 21302453133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12583348 + ... + 12585980.

It is an arithmetic number, because the mean of its divisors is an integer number (940028505).

Almost surely, 2^33135420312 is an apocalyptic number.

It is an amenable number.

33135420312 is an abundant number, since it is smaller than the sum of its proper divisors (57107316168).

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

33135420312 is a wasteful number, since it uses less digits than its factorization.

33135420312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553 (or 3546 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 33135420312 its reverse (21302453133), we get a palindrome (54437873445).

The spelling of 33135420312 in words is "thirty-three billion, one hundred thirty-five million, four hundred twenty thousand, three hundred twelve".