212020123201 has 8 divisors (see below), whose sum is σ = 224762708520. Its totient is φ = 199307628288.

The previous prime is 212020123193. The next prime is 212020123243. The reversal of 212020123201 is 102321020212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 134582591025 + 77437532176 = 366855^2 + 278276^2 .

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 212020123201 - 2³ = 212020123193 is a prime.

It is a super-3 number, since 3×212020123201³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020223201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7508086 + ... + 7536271.

It is an arithmetic number, because the mean of its divisors is an integer number (28095338565).

Almost surely, 2^212020123201 is an apocalyptic number.

It is an amenable number.

212020123201 is a deficient number, since it is larger than the sum of its proper divisors (12742585319).

212020123201 is a wasteful number, since it uses less digits than its factorization.

212020123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15045203.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212020123201 its reverse (102321020212), we get a palindrome (314341143413).

The spelling of 212020123201 in words is "two hundred twelve billion, twenty million, one hundred twenty-three thousand, two hundred one".