123202312201211 has 4 divisors (see below), whose sum is σ = 123204636870000. Its totient is φ = 123199987532424.

The previous prime is 123202312201201. The next prime is 123202312201229. The reversal of 123202312201211 is 112102213202321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123202312201211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123202312201201) 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, 1162254896 + ... + 1162360893.

It is an arithmetic number, because the mean of its divisors is an integer number (30801159217500).

Almost surely, 2^{123202312201211} is an apocalyptic number.

123202312201211 is a deficient number, since it is larger than the sum of its proper divisors (2324668789).

123202312201211 is an equidigital number, since it uses as much as digits as its factorization.

123202312201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324668788.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 123202312201211 its reverse (112102213202321), we get a palindrome (235304525403532).

The spelling of 123202312201211 in words is "one hundred twenty-three trillion, two hundred two billion, three hundred twelve million, two hundred one thousand, two hundred eleven".