3121201032322 has 4 divisors (see below), whose sum is σ = 4681801548486. Its totient is φ = 1560600516160.

The previous prime is 3121201032311. The next prime is 3121201032331. The reversal of 3121201032322 is 2232301021213.

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

It can be written as a sum of positive squares in only one way, i.e., 2988434806681 + 132766225641 = 1728709^2 + 364371^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3121201032293 and 3121201032302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780300258079 + ... + 780300258082.

Almost surely, 2^{3121201032322} is an apocalyptic number.

3121201032322 is a deficient number, since it is larger than the sum of its proper divisors (1560600516164).

3121201032322 is a wasteful number, since it uses less digits than its factorization.

3121201032322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560600516163.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3121201032322 its reverse (2232301021213), we get a palindrome (5353502053535).

The spelling of 3121201032322 in words is "three trillion, one hundred twenty-one billion, two hundred one million, thirty-two thousand, three hundred twenty-two".