1201220002 has 4 divisors (see below), whose sum is σ = 1801830006. Its totient is φ = 600610000.

The previous prime is 1201219951. The next prime is 1201220021. The reversal of 1201220002 is 2000221021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1174501441 + 26718561 = 34271^2 + 5169^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300304999 + ... + 300305002.

Almost surely, 2^1201220002 is an apocalyptic number.

1201220002 is a deficient number, since it is larger than the sum of its proper divisors (600610004).

1201220002 is an equidigital number, since it uses as much as digits as its factorization.

1201220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600610003.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1201220002 is about 34658.6208900470. The cubic root of 1201220002 is about 1063.0185709815.

Adding to 1201220002 its reverse (2000221021), we get a palindrome (3201441023).

The spelling of 1201220002 in words is "one billion, two hundred one million, two hundred twenty thousand, two".