1200020121202 has 16 divisors (see below), whose sum is σ = 2066160663360. Its totient is φ = 512048509488.

The previous prime is 1200020121107. The next prime is 1200020121211. The reversal of 1200020121202 is 2021210200021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187149028 + ... + 187155439.

It is an arithmetic number, because the mean of its divisors is an integer number (129135041460).

Almost surely, 2^{1200020121202} is an apocalyptic number.

1200020121202 is a deficient number, since it is larger than the sum of its proper divisors (866140542158).

1200020121202 is a wasteful number, since it uses less digits than its factorization.

1200020121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374304705.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200020121202 its reverse (2021210200021), we get a palindrome (3221230321223).

The spelling of 1200020121202 in words is "one trillion, two hundred billion, twenty million, one hundred twenty-one thousand, two hundred two".