12011013021210 has 64 divisors (see below), whose sum is σ = 32950618331904. Its totient is φ = 2744863948800.

The previous prime is 12011013021181. The next prime is 12011013021253. The reversal of 12011013021210 is 1212031011021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12011013021210.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4184551 + ... + 6444570.

It is an arithmetic number, because the mean of its divisors is an integer number (514853411436).

Almost surely, 2^{12011013021210} is an apocalyptic number.

12011013021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011013021210 is an abundant number, since it is smaller than the sum of its proper divisors (20939605310694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12011013021210 is a wasteful number, since it uses less digits than its factorization.

12011013021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10634519.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12011013021210 its reverse (1212031011021), we get a palindrome (13223044032231).

The spelling of 12011013021210 in words is "twelve trillion, eleven billion, thirteen million, twenty-one thousand, two hundred ten".