12001011211010 has 16 divisors (see below), whose sum is σ = 21669964728696. Its totient is φ = 4785261251328.

The previous prime is 12001011211001. The next prime is 12001011211073. The reversal of 12001011211010 is 1011211010021.

It can be written as a sum of positive squares in 4 ways, for example, as 5918676405889 + 6082334805121 = 2432833^2 + 2466239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12001011210982 and 12001011211000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892900807 + ... + 1892907146.

Almost surely, 2^{12001011211010} is an apocalyptic number.

12001011211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001011211010 is a deficient number, since it is larger than the sum of its proper divisors (9668953517686).

12001011211010 is a wasteful number, since it uses less digits than its factorization.

12001011211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785808277.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12001011211010 its reverse (1011211010021), we get a palindrome (13012222221031).

The spelling of 12001011211010 in words is "twelve trillion, one billion, eleven million, two hundred eleven thousand, ten".