1213220330032 has 20 divisors (see below), whose sum is σ = 2350641993480. Its totient is φ = 606603041408.

The previous prime is 1213220329969. The next prime is 1213220330057. The reversal of 1213220330032 is 2300330223121.

It is a super-2 number, since 2×1213220330032² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213220329985 and 1213220330012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128363 + ... + 1923445.

It is an arithmetic number, because the mean of its divisors is an integer number (117532099674).

Almost surely, 2^{1213220330032} is an apocalyptic number.

It is an amenable number.

1213220330032 is a deficient number, since it is larger than the sum of its proper divisors (1137421663448).

1213220330032 is an equidigital number, since it uses as much as digits as its factorization.

1213220330032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890460 (or 890454 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1213220330032 its reverse (2300330223121), we get a palindrome (3513550553153).

The spelling of 1213220330032 in words is "one trillion, two hundred thirteen billion, two hundred twenty million, three hundred thirty thousand, thirty-two".