1213032201 has 16 divisors (see below), whose sum is σ = 1670873088. Its totient is φ = 781981200.

The previous prime is 1213032199. The next prime is 1213032203. The reversal of 1213032201 is 1022303121.

It is an interprime number because it is at equal distance from previous prime (1213032199) and next prime (1213032203).

It is not a de Polignac number, because 1213032201 - 2¹ = 1213032199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213032203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132370 + ... + 141236.

It is an arithmetic number, because the mean of its divisors is an integer number (104429568).

Almost surely, 2^1213032201 is an apocalyptic number.

It is an amenable number.

1213032201 is a deficient number, since it is larger than the sum of its proper divisors (457840887).

1213032201 is a wasteful number, since it uses less digits than its factorization.

1213032201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10372.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1213032201 is about 34828.6118155748. The cubic root of 1213032201 is about 1066.4916100199.

Adding to 1213032201 its reverse (1022303121), we get a palindrome (2235335322).

The spelling of 1213032201 in words is "one billion, two hundred thirteen million, thirty-two thousand, two hundred one".