33545340212 has 12 divisors (see below), whose sum is σ = 58727003076. Its totient is φ = 16766196480.

The previous prime is 33545340211. The next prime is 33545340217. The reversal of 33545340212 is 21204354533.

It can be written as a sum of positive squares in 2 ways, for example, as 14427853456 + 19117486756 = 120116^2 + 138266^2 .

It is a super-2 number, since 2×33545340212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33545340211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606739 + ... + 1627482.

It is an arithmetic number, because the mean of its divisors is an integer number (4893916923).

Almost surely, 2^33545340212 is an apocalyptic number.

It is an amenable number.

33545340212 is a deficient number, since it is larger than the sum of its proper divisors (25181662864).

33545340212 is a wasteful number, since it uses less digits than its factorization.

33545340212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236818 (or 3236816 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 33545340212 its reverse (21204354533), we get a palindrome (54749694745).

The spelling of 33545340212 in words is "thirty-three billion, five hundred forty-five million, three hundred forty thousand, two hundred twelve".