12120011222011 has 8 divisors (see below), whose sum is σ = 15110663341824. Its totient is φ = 9444164588520.

The previous prime is 12120011221943. The next prime is 12120011222041. The reversal of 12120011222011 is 11022211002121.

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 12120011222011 - 2¹¹ = 12120011219963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120011222041) 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, 78701371495 + ... + 78701371648.

It is an arithmetic number, because the mean of its divisors is an integer number (1888832917728).

Almost surely, 2^{12120011222011} is an apocalyptic number.

12120011222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12120011222011 is a deficient number, since it is larger than the sum of its proper divisors (2990652119813).

12120011222011 is a wasteful number, since it uses less digits than its factorization.

12120011222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157402743161.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12120011222011 its reverse (11022211002121), we get a palindrome (23142222224132).

The spelling of 12120011222011 in words is "twelve trillion, one hundred twenty billion, eleven million, two hundred twenty-two thousand, eleven".