221212304003043 has 24 divisors (see below), whose sum is σ = 334403316847600. Its totient is φ = 146121888865248.

The previous prime is 221212304002873. The next prime is 221212304003057. The reversal of 221212304003043 is 340300403212122.

221212304003043 is a `hidden beast` number, since 2 + 2 + 1 + 21 + 230 + 400 + 3 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 221212304003043 - 2¹⁴ = 221212303986659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221212304002998 and 221212304003016.

It is not an unprimeable number, because it can be changed into a prime (221212309003043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4175839108 + ... + 4175892081.

Almost surely, 2^{221212304003043} is an apocalyptic number.

221212304003043 is a deficient number, since it is larger than the sum of its proper divisors (113191012844557).

221212304003043 is an equidigital number, since it uses as much as digits as its factorization.

221212304003043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8351731313 (or 8351731301 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 221212304003043 its reverse (340300403212122), we get a palindrome (561512707215165).

The spelling of 221212304003043 in words is "two hundred twenty-one trillion, two hundred twelve billion, three hundred four million, three thousand, forty-three".