1212002011101 has 16 divisors (see below), whose sum is σ = 1891905579648. Its totient is φ = 675680563200.

The previous prime is 1212002011091. The next prime is 1212002011141. The reversal of 1212002011101 is 1011102002121.

It is not a de Polignac number, because 1212002011101 - 2⁶ = 1212002011037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212002011141) 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, 703833060 + ... + 703834781.

It is an arithmetic number, because the mean of its divisors is an integer number (118244098728).

Almost surely, 2^{1212002011101} is an apocalyptic number.

It is an amenable number.

1212002011101 is a deficient number, since it is larger than the sum of its proper divisors (679903568547).

1212002011101 is a wasteful number, since it uses less digits than its factorization.

1212002011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407667892.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1212002011101 its reverse (1011102002121), we get a palindrome (2223104013222).

The spelling of 1212002011101 in words is "one trillion, two hundred twelve billion, two million, eleven thousand, one hundred one".