16012421210 has 16 divisors (see below), whose sum is σ = 30517791336. Its totient is φ = 6028205568.

The previous prime is 16012421207. The next prime is 16012421231. The reversal of 16012421210 is 1212421061.

It is a happy number.

16012421210 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 4 ways, for example, as 13659298129 + 2353123081 = 116873^2 + 48509^2 .

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, 47095187 + ... + 47095526.

Almost surely, 2^16012421210 is an apocalyptic number.

16012421210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16012421210 is a deficient number, since it is larger than the sum of its proper divisors (14505370126).

16012421210 is a wasteful number, since it uses less digits than its factorization.

16012421210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94190737.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 16012421210 its reverse (1212421061), we get a palindrome (17224842271).

The spelling of 16012421210 in words is "sixteen billion, twelve million, four hundred twenty-one thousand, two hundred ten".