1212230012011 has 8 divisors (see below), whose sum is σ = 1229409754848. Its totient is φ = 1195053216000.

The previous prime is 1212230011987. The next prime is 1212230012083. The reversal of 1212230012011 is 1102100322121.

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 1212230012011 - 2²⁵ = 1212196457579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212230012111) 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, 98521 + ... + 1560181.

It is an arithmetic number, because the mean of its divisors is an integer number (153676219356).

Almost surely, 2^{1212230012011} is an apocalyptic number.

1212230012011 is a deficient number, since it is larger than the sum of its proper divisors (17179742837).

1212230012011 is a wasteful number, since it uses less digits than its factorization.

1212230012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473413.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1212230012011 its reverse (1102100322121), we get a palindrome (2314330334132).

The spelling of 1212230012011 in words is "one trillion, two hundred twelve billion, two hundred thirty million, twelve thousand, eleven".