212020102123 has 8 divisors (see below), whose sum is σ = 224197497216. Its totient is φ = 200176334400.

The previous prime is 212020102109. The next prime is 212020102139. The reversal of 212020102123 is 321201020212.

It is a happy number.

212020102123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212020102123 - 2¹³ = 212020093931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212020102097 and 212020102106.

It is not an unprimeable number, because it can be changed into a prime (212020102103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83405536 + ... + 83408077.

It is an arithmetic number, because the mean of its divisors is an integer number (28024687152).

Almost surely, 2^212020102123 is an apocalyptic number.

212020102123 is a deficient number, since it is larger than the sum of its proper divisors (12177395093).

212020102123 is a wasteful number, since it uses less digits than its factorization.

212020102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166813685.

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

Adding to 212020102123 its reverse (321201020212), we get a palindrome (533221122335).

The spelling of 212020102123 in words is "two hundred twelve billion, twenty million, one hundred two thousand, one hundred twenty-three".