214812318730 has 8 divisors (see below), whose sum is σ = 386662173732. Its totient is φ = 85924927488.

The previous prime is 214812318697. The next prime is 214812318731. The reversal of 214812318730 is 37813218412.

It can be written as a sum of positive squares in 2 ways, for example, as 202734968121 + 12077350609 = 450261^2 + 109897^2 .

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

It is a super-2 number, since 2×214812318730² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214812318731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10740615927 + ... + 10740615946.

Almost surely, 2^214812318730 is an apocalyptic number.

214812318730 is a deficient number, since it is larger than the sum of its proper divisors (171849855002).

214812318730 is a wasteful number, since it uses less digits than its factorization.

214812318730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21481231880.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 214812318730 in words is "two hundred fourteen billion, eight hundred twelve million, three hundred eighteen thousand, seven hundred thirty".