2212434300021 has 64 divisors (see below), whose sum is σ = 3279600092160. Its totient is φ = 1315415946240.

The previous prime is 2212434299993. The next prime is 2212434300031. The reversal of 2212434300021 is 1200034342122.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2212434300021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212434299964 and 2212434300000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212434300031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 625156270 + ... + 625159808.

It is an arithmetic number, because the mean of its divisors is an integer number (51243751440).

Almost surely, 2^{2212434300021} is an apocalyptic number.

It is an amenable number.

2212434300021 is a deficient number, since it is larger than the sum of its proper divisors (1067165792139).

2212434300021 is a wasteful number, since it uses less digits than its factorization.

2212434300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2212434300021 its reverse (1200034342122), we get a palindrome (3412468642143).

The spelling of 2212434300021 in words is "two trillion, two hundred twelve billion, four hundred thirty-four million, three hundred thousand, twenty-one".