2012121200011 has 8 divisors (see below), whose sum is σ = 2172935691360. Its totient is φ = 1852168985472.

The previous prime is 2012121199969. The next prime is 2012121200039. The reversal of 2012121200011 is 1100021212102.

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

It is not a de Polignac number, because 2012121200011 - 2¹⁷ = 2012121068939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012121199964 and 2012121200000.

It is not an unprimeable number, because it can be changed into a prime (2012121200311) 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, 215564350 + ... + 215573683.

It is an arithmetic number, because the mean of its divisors is an integer number (271616961420).

Almost surely, 2^{2012121200011} is an apocalyptic number.

2012121200011 is a deficient number, since it is larger than the sum of its proper divisors (160814491349).

2012121200011 is a wasteful number, since it uses less digits than its factorization.

2012121200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431138405.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2012121200011 its reverse (1100021212102), we get a palindrome (3112142412113).

The spelling of 2012121200011 in words is "two trillion, twelve billion, one hundred twenty-one million, two hundred thousand, eleven".