16011211012 has 6 divisors (see below), whose sum is σ = 28019619278. Its totient is φ = 8005605504.

The previous prime is 16011211001. The next prime is 16011211019. The reversal of 16011211012 is 21011211061.

16011211012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13993943616 + 2017267396 = 118296^2 + 44914^2 .

It is not an unprimeable number, because it can be changed into a prime (16011211019) by changing a digit.

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 as a sum of consecutive naturals, namely, 2001401373 + ... + 2001401380.

Almost surely, 2^16011211012 is an apocalyptic number.

It is an amenable number.

16011211012 is a deficient number, since it is larger than the sum of its proper divisors (12008408266).

16011211012 is a wasteful number, since it uses less digits than its factorization.

16011211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002802757 (or 4002802755 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 16011211012 its reverse (21011211061), we get a palindrome (37022422073).

The spelling of 16011211012 in words is "sixteen billion, eleven million, two hundred eleven thousand, twelve".