212702932693 has 4 divisors (see below), whose sum is σ = 216716195628. Its totient is φ = 208689669760.

The previous prime is 212702932691. The next prime is 212702932721. The reversal of 212702932693 is 396239207212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 136008276849 + 76694655844 = 368793^2 + 276938^2 .

It is a cyclic number.

It is not a de Polignac number, because 212702932693 - 2¹ = 212702932691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212702932691) 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, 2006631388 + ... + 2006631493.

It is an arithmetic number, because the mean of its divisors is an integer number (54179048907).

Almost surely, 2^212702932693 is an apocalyptic number.

It is an amenable number.

212702932693 is a deficient number, since it is larger than the sum of its proper divisors (4013262935).

212702932693 is an equidigital number, since it uses as much as digits as its factorization.

212702932693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013262934.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 212702932693 in words is "two hundred twelve billion, seven hundred two million, nine hundred thirty-two thousand, six hundred ninety-three".