1321221053032 has 16 divisors (see below), whose sum is σ = 2479001513760. Its totient is φ = 660153982704.

The previous prime is 1321221053027. The next prime is 1321221053083. The reversal of 1321221053032 is 2303501221231.

It is a junction number, because it is equal to n+sod(n) for n = 1321221052988 and 1321221053006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57055678 + ... + 57078829.

It is an arithmetic number, because the mean of its divisors is an integer number (154937594610).

Almost surely, 2^{1321221053032} is an apocalyptic number.

It is an amenable number.

1321221053032 is a deficient number, since it is larger than the sum of its proper divisors (1157780460728).

1321221053032 is a wasteful number, since it uses less digits than its factorization.

1321221053032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114135960 (or 114135956 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1321221053032 its reverse (2303501221231), we get a palindrome (3624722274263).

The spelling of 1321221053032 in words is "one trillion, three hundred twenty-one billion, two hundred twenty-one million, fifty-three thousand, thirty-two".