12120220212011 has 8 divisors (see below), whose sum is σ = 12230243823840. Its totient is φ = 12010245109632.

The previous prime is 12120220212007. The next prime is 12120220212041. The reversal of 12120220212011 is 11021202202121.

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 12120220212011 - 2² = 12120220212007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120220212041) 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, 11625296 + ... + 12624893.

It is an arithmetic number, because the mean of its divisors is an integer number (1528780477980).

Almost surely, 2^{12120220212011} is an apocalyptic number.

12120220212011 is a deficient number, since it is larger than the sum of its proper divisors (110023611829).

12120220212011 is a wasteful number, since it uses less digits than its factorization.

12120220212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24254725.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12120220212011 its reverse (11021202202121), we get a palindrome (23141422414132).

The spelling of 12120220212011 in words is "twelve trillion, one hundred twenty billion, two hundred twenty million, two hundred twelve thousand, eleven".