123012300211 has 4 divisors (see below), whose sum is σ = 123015355072. Its totient is φ = 123009245352.

The previous prime is 123012300209. The next prime is 123012300223. The reversal of 123012300211 is 112003210321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112003210321 = 78877 ⋅1419973.

It is a cyclic number.

It is not a de Polignac number, because 123012300211 - 2¹ = 123012300209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123012300811) 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, 1466211 + ... + 1547836.

It is an arithmetic number, because the mean of its divisors is an integer number (30753838768).

Almost surely, 2^123012300211 is an apocalyptic number.

123012300211 is a deficient number, since it is larger than the sum of its proper divisors (3054861).

123012300211 is an equidigital number, since it uses as much as digits as its factorization.

123012300211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054860.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123012300211 its reverse (112003210321), we get a palindrome (235015510532).

The spelling of 123012300211 in words is "one hundred twenty-three billion, twelve million, three hundred thousand, two hundred eleven".