3545231122120 has 32 divisors (see below), whose sum is σ = 7976925473400. Its totient is φ = 1418064813568.

The previous prime is 3545231122117. The next prime is 3545231122127. The reversal of 3545231122120 is 212211325453.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2111517047236 + 1433714074884 = 1453106^2 + 1197378^2 .

It is not an unprimeable number, because it can be changed into a prime (3545231122127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1280346 + ... + 2954614.

Almost surely, 2^{3545231122120} is an apocalyptic number.

It is an amenable number.

3545231122120 is an abundant number, since it is smaller than the sum of its proper divisors (4431694351280).

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

3545231122120 is a wasteful number, since it uses less digits than its factorization.

3545231122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727217 (or 1727213 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 3545231122120 its reverse (212211325453), we get a palindrome (3757442447573).

The spelling of 3545231122120 in words is "three trillion, five hundred forty-five billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred twenty".