212123020120232 has 96 divisors (see below), whose sum is σ = 438967280832480. Its totient is φ = 96020135228160.

The previous prime is 212123020120169. The next prime is 212123020120241. The reversal of 212123020120232 is 232021020321212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212123020120198 and 212123020120207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193426007 + ... + 194519577.

It is an arithmetic number, because the mean of its divisors is an integer number (4572575842005).

Almost surely, 2^{212123020120232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212123020120232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219483640416240).

212123020120232 is an abundant number, since it is smaller than the sum of its proper divisors (226844260712248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212123020120232 is a wasteful number, since it uses less digits than its factorization.

212123020120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096363 (or 1096346 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212123020120232 its reverse (232021020321212), we get a palindrome (444144040441444).

The spelling of 212123020120232 in words is "two hundred twelve trillion, one hundred twenty-three billion, twenty million, one hundred twenty thousand, two hundred thirty-two".