3311561223612 has 36 divisors (see below), whose sum is σ = 8863296217776. Its totient is φ = 1038921168000.

The previous prime is 3311561223589. The next prime is 3311561223673. The reversal of 3311561223612 is 2163221651133.

3311561223612 is a `hidden beast` number, since 3 + 3 + 1 + 1 + 5 + 6 + 12 + 23 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2705523264 + ... + 2705524487.

It is an arithmetic number, because the mean of its divisors is an integer number (246202672716).

Almost surely, 2^{3311561223612} is an apocalyptic number.

It is an amenable number.

3311561223612 is an abundant number, since it is smaller than the sum of its proper divisors (5551734994164).

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

3311561223612 is a wasteful number, since it uses less digits than its factorization.

3311561223612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411047778 (or 5411047773 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

Adding to 3311561223612 its reverse (2163221651133), we get a palindrome (5474782874745).

The spelling of 3311561223612 in words is "three trillion, three hundred eleven billion, five hundred sixty-one million, two hundred twenty-three thousand, six hundred twelve".