213123321020032 has 32 divisors (see below), whose sum is σ = 424592548282980. Its totient is φ = 106558916745216.

The previous prime is 213123321020011. The next prime is 213123321020047. The reversal of 213123321020032 is 230020123321312.

It can be written as a sum of positive squares in 2 ways, for example, as 169027665132096 + 44095655887936 = 13001064^2 + 6640456^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×213123321020032² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213123321019979 and 213123321020006.

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, 16440483 + ... + 26391970.

Almost surely, 2^{213123321020032} is an apocalyptic number.

It is an amenable number.

213123321020032 is a deficient number, since it is larger than the sum of its proper divisors (211469227262948).

213123321020032 is an equidigital number, since it uses as much as digits as its factorization.

213123321020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42871340 (or 42871328 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 213123321020032 its reverse (230020123321312), we get a palindrome (443143444341344).

The spelling of 213123321020032 in words is "two hundred thirteen trillion, one hundred twenty-three billion, three hundred twenty-one million, twenty thousand, thirty-two".