212013101123 has 8 divisors (see below), whose sum is σ = 216374004000. Its totient is φ = 207665555968.

The previous prime is 212013101117. The next prime is 212013101141. The reversal of 212013101123 is 321101310212.

212013101123 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 212013101123 - 2²⁰ = 212012052547 is a prime.

It is a super-2 number, since 2×212013101123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212013101173) 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, 3307358 + ... + 3370851.

It is an arithmetic number, because the mean of its divisors is an integer number (27046750500).

Almost surely, 2^212013101123 is an apocalyptic number.

212013101123 is a deficient number, since it is larger than the sum of its proper divisors (4360902877).

212013101123 is an equidigital number, since it uses as much as digits as its factorization.

212013101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6678861.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212013101123 its reverse (321101310212), we get a palindrome (533114411335).

The spelling of 212013101123 in words is "two hundred twelve billion, thirteen million, one hundred one thousand, one hundred twenty-three".