1200212233111 has 2 divisors, whose sum is σ = 1200212233112. Its totient is φ = 1200212233110.

The previous prime is 1200212233093. The next prime is 1200212233123. The reversal of 1200212233111 is 1113322120021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200212233111 - 2²³ = 1200203844503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200212233711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600106116555 + 600106116556.

It is an arithmetic number, because the mean of its divisors is an integer number (600106116556).

Almost surely, 2^{1200212233111} is an apocalyptic number.

1200212233111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200212233111 is an equidigital number, since it uses as much as digits as its factorization.

1200212233111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1200212233111 its reverse (1113322120021), we get a palindrome (2313534353132).

The spelling of 1200212233111 in words is "one trillion, two hundred billion, two hundred twelve million, two hundred thirty-three thousand, one hundred eleven".