123211201 has 2 divisors, whose sum is σ = 123211202. Its totient is φ = 123211200.

The previous prime is 123211183. The next prime is 123211241. The reversal of 123211201 is 102112321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67634176 + 55577025 = 8224^2 + 7455^2 .

It is an emirp because it is prime and its reverse (102112321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123211201 - 2¹⁹ = 122686913 is a prime.

It is not a weakly prime, because it can be changed into another prime (123211241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61605600 + 61605601.

It is an arithmetic number, because the mean of its divisors is an integer number (61605601).

Almost surely, 2^123211201 is an apocalyptic number.

It is an amenable number.

123211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

123211201 is an equidigital number, since it uses as much as digits as its factorization.

123211201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 123211201 is about 11100.0540989673. The cubic root of 123211201 is about 497.6034662711.

Adding to 123211201 its reverse (102112321), we get a palindrome (225323522).

The spelling of 123211201 in words is "one hundred twenty-three million, two hundred eleven thousand, two hundred one".