1212200212011 has 8 divisors (see below), whose sum is σ = 1616272041984. Its totient is φ = 808130928360.

The previous prime is 1212200212009. The next prime is 1212200212073. The reversal of 1212200212011 is 1102120022121.

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

It is not a de Polignac number, because 1212200212011 - 2¹ = 1212200212009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212200212001) 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, 1471930 + ... + 2142656.

It is an arithmetic number, because the mean of its divisors is an integer number (202034005248).

Almost surely, 2^{1212200212011} is an apocalyptic number.

1212200212011 is a deficient number, since it is larger than the sum of its proper divisors (404071829973).

1212200212011 is an equidigital number, since it uses as much as digits as its factorization.

1212200212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273161.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212200212011 its reverse (1102120022121), we get a palindrome (2314320234132).

The spelling of 1212200212011 in words is "one trillion, two hundred twelve billion, two hundred million, two hundred twelve thousand, eleven".