12020012011 has 8 divisors (see below), whose sum is σ = 13737980160. Its totient is φ = 10302249768.

The previous prime is 12020011999. The next prime is 12020012021. The reversal of 12020012011 is 11021002021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020012011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020012021) 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, 105570 + ... + 187576.

It is an arithmetic number, because the mean of its divisors is an integer number (1717247520).

Almost surely, 2^12020012011 is an apocalyptic number.

12020012011 is a deficient number, since it is larger than the sum of its proper divisors (1717968149).

12020012011 is an equidigital number, since it uses as much as digits as its factorization.

12020012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102953.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12020012011 its reverse (11021002021), we get a palindrome (23041014032).

The spelling of 12020012011 in words is "twelve billion, twenty million, twelve thousand, eleven".