212012122301123 has 4 divisors (see below), whose sum is σ = 212027947657680. Its totient is φ = 211996296944568.

The previous prime is 212012122301081. The next prime is 212012122301173. The reversal of 212012122301123 is 321103221210212.

212012122301123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212012122301123 - 2³⁴ = 211994942431939 is a prime.

It is a super-2 number, since 2×212012122301123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012122301173) 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, 7912658183 + ... + 7912684976.

It is an arithmetic number, because the mean of its divisors is an integer number (53006986914420).

Almost surely, 2^{212012122301123} is an apocalyptic number.

212012122301123 is a deficient number, since it is larger than the sum of its proper divisors (15825356557).

212012122301123 is a wasteful number, since it uses less digits than its factorization.

212012122301123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15825356556.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 212012122301123 its reverse (321103221210212), we get a palindrome (533115343511335).

The spelling of 212012122301123 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-two million, three hundred one thousand, one hundred twenty-three".