212020032309 has 8 divisors (see below), whose sum is σ = 283405452000. Its totient is φ = 140990650416.

The previous prime is 212020032307. The next prime is 212020032317. The reversal of 212020032309 is 903230020212.

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

It is not a de Polignac number, because 212020032309 - 2¹ = 212020032307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020032307) 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, 89008059 + ... + 89010440.

It is an arithmetic number, because the mean of its divisors is an integer number (35425681500).

Almost surely, 2^212020032309 is an apocalyptic number.

It is an amenable number.

212020032309 is a deficient number, since it is larger than the sum of its proper divisors (71385419691).

212020032309 is a wasteful number, since it uses less digits than its factorization.

212020032309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178018899.

The product of its (nonzero) digits is 1296, while the sum is 24.

The spelling of 212020032309 in words is "two hundred twelve billion, twenty million, thirty-two thousand, three hundred nine".