1212030001 has 16 divisors (see below), whose sum is σ = 1493223424. Its totient is φ = 958008384.

The previous prime is 1212029999. The next prime is 1212030013. The reversal of 1212030001 is 1000302121.

It is a cyclic number.

It is not a de Polignac number, because 1212030001 - 2¹ = 1212029999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1212030001.

It is not an unprimeable number, because it can be changed into a prime (1212060001) 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, 92791 + ... + 105043.

It is an arithmetic number, because the mean of its divisors is an integer number (93326464).

Almost surely, 2^1212030001 is an apocalyptic number.

It is an amenable number.

1212030001 is a deficient number, since it is larger than the sum of its proper divisors (281193423).

1212030001 is a wasteful number, since it uses less digits than its factorization.

1212030001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13360.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1212030001 is about 34814.2212464964. The cubic root of 1212030001 is about 1066.1978194176.

Adding to 1212030001 its reverse (1000302121), we get a palindrome (2212332122).

The spelling of 1212030001 in words is "one billion, two hundred twelve million, thirty thousand, one".