1200212000101 has 4 divisors (see below), whose sum is σ = 1200523990432. Its totient is φ = 1199900009772.

The previous prime is 1200212000089. The next prime is 1200212000111. The reversal of 1200212000101 is 1010002120021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1200212000101 - 2¹¹ = 1200211998053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200212000111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155989395 + ... + 155997088.

It is an arithmetic number, because the mean of its divisors is an integer number (300130997608).

Almost surely, 2^{1200212000101} is an apocalyptic number.

It is an amenable number.

1200212000101 is a deficient number, since it is larger than the sum of its proper divisors (311990331).

1200212000101 is an equidigital number, since it uses as much as digits as its factorization.

1200212000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311990330.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1200212000101 its reverse (1010002120021), we get a palindrome (2210214120122).

The spelling of 1200212000101 in words is "one trillion, two hundred billion, two hundred twelve million, one hundred one", and thus it is an aban number.