2121450196 has 24 divisors (see below), whose sum is σ = 3933800640. Its totient is φ = 997598592.

The previous prime is 2121450173. The next prime is 2121450257. The reversal of 2121450196 is 6910541212.

It is a congruent number.

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, 88521 + ... + 109903.

It is an arithmetic number, because the mean of its divisors is an integer number (163908360).

Almost surely, 2^2121450196 is an apocalyptic number.

It is an amenable number.

2121450196 is a deficient number, since it is larger than the sum of its proper divisors (1812350444).

2121450196 is a wasteful number, since it uses less digits than its factorization.

2121450196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22863 (or 22861 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2121450196 is about 46059.2031628859. The cubic root of 2121450196 is about 1284.9245103952.

The spelling of 2121450196 in words is "two billion, one hundred twenty-one million, four hundred fifty thousand, one hundred ninety-six".