3261651332212 has 48 divisors (see below), whose sum is σ = 7051018250752. Its totient is φ = 1285562223360.

The previous prime is 3261651332183. The next prime is 3261651332237. The reversal of 3261651332212 is 2122331561623.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16433793 + ... + 16631080.

Almost surely, 2^{3261651332212} is an apocalyptic number.

It is an amenable number.

3261651332212 is an abundant number, since it is smaller than the sum of its proper divisors (3789366918540).

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

3261651332212 is a wasteful number, since it uses less digits than its factorization.

3261651332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33065168 (or 33065166 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

Adding to 3261651332212 its reverse (2122331561623), we get a palindrome (5383982893835).

The spelling of 3261651332212 in words is "three trillion, two hundred sixty-one billion, six hundred fifty-one million, three hundred thirty-two thousand, two hundred twelve".