1200122202311 has 16 divisors (see below), whose sum is σ = 1208881209600. Its totient is φ = 1191388176000.

The previous prime is 1200122202287. The next prime is 1200122202313. The reversal of 1200122202311 is 1132022210021.

It is a cyclic number.

It is not a de Polignac number, because 1200122202311 - 2¹⁸ = 1200121940167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200122202311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200122202313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403944056 + ... + 403947026.

It is an arithmetic number, because the mean of its divisors is an integer number (75555075600).

Almost surely, 2^{1200122202311} is an apocalyptic number.

1200122202311 is a deficient number, since it is larger than the sum of its proper divisors (8759007289).

1200122202311 is a wasteful number, since it uses less digits than its factorization.

1200122202311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1200122202311 its reverse (1132022210021), we get a palindrome (2332144412332).

The spelling of 1200122202311 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred two thousand, three hundred eleven".