1212122000011 has 8 divisors (see below), whose sum is σ = 1305379288080. Its totient is φ = 1118867159712.

The previous prime is 1212121999997. The next prime is 1212122000017. The reversal of 1212122000011 is 1100002212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212122000011 - 2³⁷ = 1074683046539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212121999955 and 1212122000000.

It is not an unprimeable number, because it can be changed into a prime (1212122000017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490056 + ... + 1632298.

It is an arithmetic number, because the mean of its divisors is an integer number (163172411010).

Almost surely, 2^{1212122000011} is an apocalyptic number.

1212122000011 is a deficient number, since it is larger than the sum of its proper divisors (93257288069).

1212122000011 is a wasteful number, since it uses less digits than its factorization.

1212122000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223885.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1212122000011 its reverse (1100002212121), we get a palindrome (2312124212132).

The spelling of 1212122000011 in words is "one trillion, two hundred twelve billion, one hundred twenty-two million, eleven", and thus it is an aban number.