212813650073 has 8 divisors (see below), whose sum is σ = 213900523200. Its totient is φ = 211726951920.

The previous prime is 212813650033. The next prime is 212813650097. The reversal of 212813650073 is 370056318212.

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

It is a cyclic number.

It is not a de Polignac number, because 212813650073 - 2⁸ = 212813649817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212813650033) 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, 2897186 + ... + 2969732.

It is an arithmetic number, because the mean of its divisors is an integer number (26737565400).

Almost surely, 2^212813650073 is an apocalyptic number.

It is an amenable number.

212813650073 is a deficient number, since it is larger than the sum of its proper divisors (1086873127).

212813650073 is a wasteful number, since it uses less digits than its factorization.

212813650073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87487.

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 212813650073 its reverse (370056318212), we get a palindrome (582869968285).

The spelling of 212813650073 in words is "two hundred twelve billion, eight hundred thirteen million, six hundred fifty thousand, seventy-three".