212220113032 has 8 divisors (see below), whose sum is σ = 397912711950. Its totient is φ = 106110056512.

The previous prime is 212220112987. The next prime is 212220113033. The reversal of 212220113032 is 230311022212.

It can be written as a sum of positive squares in only one way, i.e., 125963947396 + 86256165636 = 354914^2 + 293694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (212220113033) by changing a digit.

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 as a sum of consecutive naturals, namely, 13263757057 + ... + 13263757072.

Almost surely, 2^212220113032 is an apocalyptic number.

It is an amenable number.

212220113032 is a deficient number, since it is larger than the sum of its proper divisors (185692598918).

212220113032 is a wasteful number, since it uses less digits than its factorization.

212220113032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26527514135 (or 26527514131 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212220113032 its reverse (230311022212), we get a palindrome (442531135244).

The spelling of 212220113032 in words is "two hundred twelve billion, two hundred twenty million, one hundred thirteen thousand, thirty-two".