1212100200011 has 8 divisors (see below), whose sum is σ = 1275907233600. Its totient is φ = 1148294395080.

The previous prime is 1212100199953. The next prime is 1212100200023. The reversal of 1212100200011 is 1100020012121.

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 1212100200011 - 2¹⁴ = 1212100183627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212100199965 and 1212100200001.

It is not an unprimeable number, because it can be changed into a prime (1212100200611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2274080 + ... + 2756018.

It is an arithmetic number, because the mean of its divisors is an integer number (159488404200).

Almost surely, 2^{1212100200011} is an apocalyptic number.

1212100200011 is a deficient number, since it is larger than the sum of its proper divisors (63807033589).

1212100200011 is a wasteful number, since it uses less digits than its factorization.

1212100200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614329.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1212100200011 its reverse (1100020012121), we get a palindrome (2312120212132).

The spelling of 1212100200011 in words is "one trillion, two hundred twelve billion, one hundred million, two hundred thousand, eleven".