3199651200121 has 4 divisors (see below), whose sum is σ = 3203132867200. Its totient is φ = 3196169533044.

The previous prime is 3199651200091. The next prime is 3199651200127. The reversal of 3199651200121 is 1210021569913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3199651200121 - 2¹⁵ = 3199651167353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3199651200127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1740832161 + ... + 1740833998.

It is an arithmetic number, because the mean of its divisors is an integer number (800783216800).

Almost surely, 2^{3199651200121} is an apocalyptic number.

It is an amenable number.

3199651200121 is a deficient number, since it is larger than the sum of its proper divisors (3481667079).

3199651200121 is an equidigital number, since it uses as much as digits as its factorization.

3199651200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481667078.

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 3199651200121 in words is "three trillion, one hundred ninety-nine billion, six hundred fifty-one million, two hundred thousand, one hundred twenty-one".