1202010120106 has 4 divisors (see below), whose sum is σ = 1803015180162. Its totient is φ = 601005060052.

The previous prime is 1202010120049. The next prime is 1202010120139. The reversal of 1202010120106 is 6010210102021.

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., 957969180081 + 244040940025 = 978759^2 + 494005^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1202010120106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300502530025 + ... + 300502530028.

Almost surely, 2^{1202010120106} is an apocalyptic number.

1202010120106 is a deficient number, since it is larger than the sum of its proper divisors (601005060056).

1202010120106 is an equidigital number, since it uses as much as digits as its factorization.

1202010120106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601005060055.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1202010120106 its reverse (6010210102021), we get a palindrome (7212220222127).

The spelling of 1202010120106 in words is "one trillion, two hundred two billion, ten million, one hundred twenty thousand, one hundred six".