212246442403 has 8 divisors (see below), whose sum is σ = 212862124800. Its totient is φ = 211630896648.

The previous prime is 212246442349. The next prime is 212246442409. The reversal of 212246442403 is 304244642212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212246442403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212246442409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3648378 + ... + 3706096.

It is an arithmetic number, because the mean of its divisors is an integer number (26607765600).

Almost surely, 2^212246442403 is an apocalyptic number.

212246442403 is a deficient number, since it is larger than the sum of its proper divisors (615682397).

212246442403 is a wasteful number, since it uses less digits than its factorization.

212246442403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68321.

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 212246442403 in words is "two hundred twelve billion, two hundred forty-six million, four hundred forty-two thousand, four hundred three".