1200120100202 has 8 divisors (see below), whose sum is σ = 1800234739236. Its totient is φ = 600041853792.

The previous prime is 1200120100159. The next prime is 1200120100211. The reversal of 1200120100202 is 2020010210021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 655389012721 + 544731087481 = 809561^2 + 738059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9015563 + ... + 9147710.

Almost surely, 2^{1200120100202} is an apocalyptic number.

1200120100202 is a deficient number, since it is larger than the sum of its proper divisors (600114639034).

1200120100202 is a wasteful number, since it uses less digits than its factorization.

1200120100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18196312.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200120100202 its reverse (2020010210021), we get a palindrome (3220130310223).

The spelling of 1200120100202 in words is "one trillion, two hundred billion, one hundred twenty million, one hundred thousand, two hundred two".