3512735307121 has 4 divisors (see below), whose sum is σ = 3515621697252. Its totient is φ = 3509848916992.

The previous prime is 3512735307091. The next prime is 3512735307143. The reversal of 3512735307121 is 1217035372153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1999576996096 + 1513158311025 = 1414064^2 + 1230105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3512735307121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3512735307421) 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, 1443193240 + ... + 1443195673.

It is an arithmetic number, because the mean of its divisors is an integer number (878905424313).

Almost surely, 2^{3512735307121} is an apocalyptic number.

It is an amenable number.

3512735307121 is a deficient number, since it is larger than the sum of its proper divisors (2886390131).

3512735307121 is a wasteful number, since it uses less digits than its factorization.

3512735307121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886390130.

The product of its (nonzero) digits is 132300, while the sum is 40.

The spelling of 3512735307121 in words is "three trillion, five hundred twelve billion, seven hundred thirty-five million, three hundred seven thousand, one hundred twenty-one".