203642662629121 has 8 divisors (see below), whose sum is σ = 209148202097600. Its totient is φ = 198137211777648.

The previous prime is 203642662629083. The next prime is 203642662629143. The reversal of 203642662629121 is 121926266246302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203642662629121 - 2⁹ = 203642662628609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203642662629181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17482971 + ... + 26700928.

It is an arithmetic number, because the mean of its divisors is an integer number (26143525262200).

Almost surely, 2^{203642662629121} is an apocalyptic number.

It is an amenable number.

203642662629121 is a deficient number, since it is larger than the sum of its proper divisors (5505539468479).

203642662629121 is a wasteful number, since it uses less digits than its factorization.

203642662629121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44308503.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 203642662629121 in words is "two hundred three trillion, six hundred forty-two billion, six hundred sixty-two million, six hundred twenty-nine thousand, one hundred twenty-one".