1232122201 has 4 divisors (see below), whose sum is σ = 1262174004. Its totient is φ = 1202070400.

The previous prime is 1232122189. The next prime is 1232122207. The reversal of 1232122201 is 1022212321.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 329059600 + 903062601 = 18140^2 + 30051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232122201 - 2⁵ = 1232122169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232122207) 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, 15025840 + ... + 15025921.

It is an arithmetic number, because the mean of its divisors is an integer number (315543501).

Almost surely, 2^1232122201 is an apocalyptic number.

It is an amenable number.

1232122201 is a deficient number, since it is larger than the sum of its proper divisors (30051803).

1232122201 is an equidigital number, since it uses as much as digits as its factorization.

1232122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30051802.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1232122201 is about 35101.5982684550. The cubic root of 1232122201 is about 1072.0571253182.

Adding to 1232122201 its reverse (1022212321), we get a palindrome (2254334522).

It can be divided in two parts, 12321 and 22201, that multiplied together give a square (273538521 = 16539²).

The spelling of 1232122201 in words is "one billion, two hundred thirty-two million, one hundred twenty-two thousand, two hundred one".