1230200001 has 16 divisors (see below), whose sum is σ = 1881310720. Its totient is φ = 793676880.

The previous prime is 1230199963. The next prime is 1230200017. The reversal of 1230200001 is 1000020321.

It is a happy number.

It is not a de Polignac number, because 1230200001 - 2⁶ = 1230199937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230200501) 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, 734050 + ... + 735723.

It is an arithmetic number, because the mean of its divisors is an integer number (117581920).

Almost surely, 2^1230200001 is an apocalyptic number.

It is an amenable number.

1230200001 is a deficient number, since it is larger than the sum of its proper divisors (651110719).

1230200001 is a wasteful number, since it uses less digits than its factorization.

1230200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469813 (or 1469807 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1230200001 is about 35074.2070616001. The cubic root of 1230200001 is about 1071.4993395314.

Adding to 1230200001 its reverse (1000020321), we get a palindrome (2230220322).

The spelling of 1230200001 in words is "one billion, two hundred thirty million, two hundred thousand, one".