212232010123 has 16 divisors (see below), whose sum is σ = 253151617536. Its totient is φ = 173966031360.

The previous prime is 212232010117. The next prime is 212232010127. The reversal of 212232010123 is 321010232212.

It is a cyclic number.

It is not a de Polignac number, because 212232010123 - 2⁵ = 212232010091 is a prime.

It is a super-3 number, since 3×212232010123³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212232010123.

It is not an unprimeable number, because it can be changed into a prime (212232010127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611308 + ... + 893398.

It is an arithmetic number, because the mean of its divisors is an integer number (15821976096).

Almost surely, 2^212232010123 is an apocalyptic number.

212232010123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212232010123 is a deficient number, since it is larger than the sum of its proper divisors (40919607413).

212232010123 is a wasteful number, since it uses less digits than its factorization.

212232010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286794.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212232010123 its reverse (321010232212), we get a palindrome (533242242335).

The spelling of 212232010123 in words is "two hundred twelve billion, two hundred thirty-two million, ten thousand, one hundred twenty-three".