12120211001011 has 8 divisors (see below), whose sum is σ = 12154112778240. Its totient is φ = 12086310006408.

The previous prime is 12120211000867. The next prime is 12120211001027. The reversal of 12120211001011 is 11010011202121.

It is a happy number.

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 12120211001011 - 2¹³ = 12120210992819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120211000982 and 12120211001000.

It is not an unprimeable number, because it can be changed into a prime (12120211001111) 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, 46096260 + ... + 46358446.

It is an arithmetic number, because the mean of its divisors is an integer number (1519264097280).

Almost surely, 2^{12120211001011} is an apocalyptic number.

12120211001011 is a deficient number, since it is larger than the sum of its proper divisors (33901777229).

12120211001011 is a wasteful number, since it uses less digits than its factorization.

12120211001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391313.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12120211001011 its reverse (11010011202121), we get a palindrome (23130222203132).

The spelling of 12120211001011 in words is "twelve trillion, one hundred twenty billion, two hundred eleven million, one thousand, eleven".