1200130002 has 24 divisors (see below), whose sum is σ = 2670561036. Its totient is φ = 389231136.

The previous prime is 1200129989. The next prime is 1200130021. The reversal of 1200130002 is 2000310021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1199167641 + 962361 = 34629^2 + 981^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 900333 + ... + 901664.

Almost surely, 2^1200130002 is an apocalyptic number.

1200130002 is an abundant number, since it is smaller than the sum of its proper divisors (1470431034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200130002 is a wasteful number, since it uses less digits than its factorization.

1200130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802042 (or 1802039 counting only the distinct ones).

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

The square root of 1200130002 is about 34642.8925178023. The cubic root of 1200130002 is about 1062.6969421690.

Adding to 1200130002 its reverse (2000310021), we get a palindrome (3200440023).

The spelling of 1200130002 in words is "one billion, two hundred million, one hundred thirty thousand, two".