3245142501221 has 8 divisors (see below), whose sum is σ = 3386457936960. Its totient is φ = 3103845589152.

The previous prime is 3245142501203. The next prime is 3245142501257. The reversal of 3245142501221 is 1221052415423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3245142501221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245142501121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4272320 + ... + 4974233.

It is an arithmetic number, because the mean of its divisors is an integer number (423307242120).

Almost surely, 2^{3245142501221} is an apocalyptic number.

It is an amenable number.

3245142501221 is a deficient number, since it is larger than the sum of its proper divisors (141315435739).

3245142501221 is a wasteful number, since it uses less digits than its factorization.

3245142501221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261835.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 3245142501221 its reverse (1221052415423), we get a palindrome (4466194916644).

The spelling of 3245142501221 in words is "three trillion, two hundred forty-five billion, one hundred forty-two million, five hundred one thousand, two hundred twenty-one".