1011200002 has 4 divisors (see below), whose sum is σ = 1516800006. Its totient is φ = 505600000.

The previous prime is 1011199957. The next prime is 1011200011. The reversal of 1011200002 is 2000021101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2000021101 = 13 ⋅153847777.

It can be written as a sum of positive squares in only one way, i.e., 707081281 + 304118721 = 26591^2 + 17439^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252799999 + ... + 252800002.

Almost surely, 2^1011200002 is an apocalyptic number.

1011200002 is a deficient number, since it is larger than the sum of its proper divisors (505600004).

1011200002 is an equidigital number, since it uses as much as digits as its factorization.

1011200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505600003.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1011200002 is about 31799.3710944100. The cubic root of 1011200002 is about 1003.7194822990.

Adding to 1011200002 its reverse (2000021101), we get a palindrome (3011221103).

The spelling of 1011200002 in words is "one billion, eleven million, two hundred thousand, two".