212020030993 has 16 divisors (see below), whose sum is σ = 228349362384. Its totient is φ = 196124405760.

The previous prime is 212020030967. The next prime is 212020031017. The reversal of 212020030993 is 399030020212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 45137976849 + 166882054144 = 212457^2 + 408512^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020030993 - 2²⁵ = 211986476561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020030903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1266171 + ... + 1423807.

It is an arithmetic number, because the mean of its divisors is an integer number (14271835149).

Almost surely, 2^212020030993 is an apocalyptic number.

It is an amenable number.

212020030993 is a deficient number, since it is larger than the sum of its proper divisors (16329331391).

212020030993 is a wasteful number, since it uses less digits than its factorization.

212020030993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159012.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 212020030993 in words is "two hundred twelve billion, twenty million, thirty thousand, nine hundred ninety-three".