300212121123 has 10 divisors (see below), whose sum is σ = 448465020564. Its totient is φ = 200141414028.

The previous prime is 300212121089. The next prime is 300212121127. The reversal of 300212121123 is 321121212003.

It is not a de Polignac number, because 300212121123 - 2⁶ = 300212121059 is a prime.

It is a super-2 number, since 2×300212121123² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 300212121096 and 300212121105.

It is not an unprimeable number, because it can be changed into a prime (300212121127) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1853161161 + ... + 1853161322.

Almost surely, 2^300212121123 is an apocalyptic number.

300212121123 is a deficient number, since it is larger than the sum of its proper divisors (148252899441).

300212121123 is an equidigital number, since it uses as much as digits as its factorization.

300212121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706322495 (or 3706322486 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 300212121123 its reverse (321121212003), we get a palindrome (621333333126).

The spelling of 300212121123 in words is "three hundred billion, two hundred twelve million, one hundred twenty-one thousand, one hundred twenty-three".