1200203110022 has 64 divisors (see below), whose sum is σ = 2287173611520. Its totient is φ = 460497511584.

The previous prime is 1200203110021. The next prime is 1200203110069. The reversal of 1200203110022 is 2200113020021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1200203109979 and 1200203110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200203110021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 673988 + ... + 1689575.

It is an arithmetic number, because the mean of its divisors is an integer number (35737087680).

Almost surely, 2^{1200203110022} is an apocalyptic number.

1200203110022 is a deficient number, since it is larger than the sum of its proper divisors (1086970501498).

1200203110022 is a wasteful number, since it uses less digits than its factorization.

1200203110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363697.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1200203110022 its reverse (2200113020021), we get a palindrome (3400316130043).

Subtracting 1200203110022 from its reverse (2200113020021), we obtain a palindrome (999909909999).

The spelling of 1200203110022 in words is "one trillion, two hundred billion, two hundred three million, one hundred ten thousand, twenty-two".