1032221213312 has 16 divisors (see below), whose sum is σ = 2056378198650. Its totient is φ = 516110606592.

The previous prime is 1032221213299. The next prime is 1032221213431. The reversal of 1032221213312 is 2133121222301.

It can be written as a sum of positive squares in only one way, i.e., 1003410903616 + 28810309696 = 1001704^2 + 169736^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1032221213312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4032113987 + ... + 4032114242.

Almost surely, 2^{1032221213312} is an apocalyptic number.

It is an amenable number.

1032221213312 is a deficient number, since it is larger than the sum of its proper divisors (1024156985338).

1032221213312 is an frugal number, since it uses more digits than its factorization.

1032221213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8064228243 (or 8064228231 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1032221213312 its reverse (2133121222301), we get a palindrome (3165342435613).

The spelling of 1032221213312 in words is "one trillion, thirty-two billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred twelve".