1321032221032 has 32 divisors (see below), whose sum is σ = 2587224182400. Its totient is φ = 631548033984.

The previous prime is 1321032221021. The next prime is 1321032221039. The reversal of 1321032221032 is 2301222301231.

It is a super-2 number, since 2×1321032221032² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321032220994 and 1321032221012.

It is not an unprimeable number, because it can be changed into a prime (1321032221039) 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, 27617388 + ... + 27665179.

It is an arithmetic number, because the mean of its divisors is an integer number (80850755700).

Almost surely, 2^{1321032221032} is an apocalyptic number.

It is an amenable number.

1321032221032 is a deficient number, since it is larger than the sum of its proper divisors (1266191961368).

1321032221032 is a wasteful number, since it uses less digits than its factorization.

1321032221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55282705 (or 55282701 counting only the distinct ones).

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

Adding to 1321032221032 its reverse (2301222301231), we get a palindrome (3622254522263).

The spelling of 1321032221032 in words is "one trillion, three hundred twenty-one billion, thirty-two million, two hundred twenty-one thousand, thirty-two".