2151200006 has 4 divisors (see below), whose sum is σ = 3226800012. Its totient is φ = 1075600002.

The previous prime is 2151199991. The next prime is 2151200033. The reversal of 2151200006 is 6000021512.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2151200006² = 9255322931628800072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537800000 + ... + 537800003.

It is an arithmetic number, because the mean of its divisors is an integer number (806700003).

Almost surely, 2^2151200006 is an apocalyptic number.

2151200006 is a deficient number, since it is larger than the sum of its proper divisors (1075600006).

2151200006 is a wasteful number, since it uses less digits than its factorization.

2151200006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075600005.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2151200006 is about 46381.0306698762. The cubic root of 2151200006 is about 1290.9029605406.

Adding to 2151200006 its reverse (6000021512), we get a palindrome (8151221518).

The spelling of 2151200006 in words is "two billion, one hundred fifty-one million, two hundred thousand, six".