212261662303 has 8 divisors (see below), whose sum is σ = 223454488320. Its totient is φ = 201070952280.

The previous prime is 212261662297. The next prime is 212261662309. The reversal of 212261662303 is 303266162212.

It is an interprime number because it is at equal distance from previous prime (212261662297) and next prime (212261662309).

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-212261662303 is a prime.

It is a super-2 number, since 2×212261662303² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212261662309) 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, 320983 + ... + 726328.

It is an arithmetic number, because the mean of its divisors is an integer number (27931811040).

Almost surely, 2^212261662303 is an apocalyptic number.

212261662303 is a deficient number, since it is larger than the sum of its proper divisors (11192826017).

212261662303 is a wasteful number, since it uses less digits than its factorization.

212261662303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057997.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 212261662303 in words is "two hundred twelve billion, two hundred sixty-one million, six hundred sixty-two thousand, three hundred three".