1212210443011 has 8 divisors (see below), whose sum is σ = 1230998729040. Its totient is φ = 1193481148032.

The previous prime is 1212210442997. The next prime is 1212210443053. The reversal of 1212210443011 is 1103440122121.

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 1212210443011 - 2⁵ = 1212210442979 is a prime.

It is a super-2 number, since 2×1212210443011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212210443071) 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, 14706346 + ... + 14788543.

It is an arithmetic number, because the mean of its divisors is an integer number (153874841130).

Almost surely, 2^{1212210443011} is an apocalyptic number.

1212210443011 is a deficient number, since it is larger than the sum of its proper divisors (18788286029).

1212210443011 is an equidigital number, since it uses as much as digits as its factorization.

1212210443011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29495525.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1212210443011 its reverse (1103440122121), we get a palindrome (2315650565132).

The spelling of 1212210443011 in words is "one trillion, two hundred twelve billion, two hundred ten million, four hundred forty-three thousand, eleven".