1200002020022 has 32 divisors (see below), whose sum is σ = 1941468988032. Its totient is φ = 552989435904.

The previous prime is 1200002019977. The next prime is 1200002020069. The reversal of 1200002020022 is 2200202000021.

It is a junction number, because it is equal to n+sod(n) for n = 1200002019985 and 1200002020012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46110758 + ... + 46136774.

It is an arithmetic number, because the mean of its divisors is an integer number (60670905876).

Almost surely, 2^{1200002020022} is an apocalyptic number.

1200002020022 is a deficient number, since it is larger than the sum of its proper divisors (741466968010).

1200002020022 is a wasteful number, since it uses less digits than its factorization.

1200002020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28712.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 1200002020022 its reverse (2200202000021), we get a palindrome (3400204020043).

The spelling of 1200002020022 in words is "one trillion, two hundred billion, two million, twenty thousand, twenty-two".