12031030101211 has 4 divisors (see below), whose sum is σ = 13124760110424. Its totient is φ = 10937300092000.

The previous prime is 12031030101157. The next prime is 12031030101263. The reversal of 12031030101211 is 11210103013021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12031030101211 - 2¹⁷ = 12031029970139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031030104211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546865004590 + ... + 546865004611.

It is an arithmetic number, because the mean of its divisors is an integer number (3281190027606).

Almost surely, 2^{12031030101211} is an apocalyptic number.

12031030101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12031030101211 is a deficient number, since it is larger than the sum of its proper divisors (1093730009213).

12031030101211 is a wasteful number, since it uses less digits than its factorization.

12031030101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093730009212.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12031030101211 its reverse (11210103013021), we get a palindrome (23241133114232).

The spelling of 12031030101211 in words is "twelve trillion, thirty-one billion, thirty million, one hundred one thousand, two hundred eleven".