1230221201 has 16 divisors (see below), whose sum is σ = 1427424768. Its totient is φ = 1047840000.

The previous prime is 1230221183. The next prime is 1230221203. The reversal of 1230221201 is 1021220321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1230221201 - 2¹⁰ = 1230220177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230221203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26951 + ... + 56451.

It is an arithmetic number, because the mean of its divisors is an integer number (89214048).

Almost surely, 2^1230221201 is an apocalyptic number.

1230221201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1230221201 is a deficient number, since it is larger than the sum of its proper divisors (197203567).

1230221201 is a wasteful number, since it uses less digits than its factorization.

1230221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29752.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1230221201 is about 35074.5092766813. The cubic root of 1230221201 is about 1071.5054945347.

Adding to 1230221201 its reverse (1021220321), we get a palindrome (2251441522).

The spelling of 1230221201 in words is "one billion, two hundred thirty million, two hundred twenty-one thousand, two hundred one".