121252200305 has 8 divisors (see below), whose sum is σ = 145566275712. Its totient is φ = 96959336688.

The previous prime is 121252200287. The next prime is 121252200313. The reversal of 121252200305 is 503002252121.

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 121252200305 - 2⁸ = 121252200049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5290367 + ... + 5313236.

It is an arithmetic number, because the mean of its divisors is an integer number (18195784464).

Almost surely, 2^121252200305 is an apocalyptic number.

It is an amenable number.

121252200305 is a deficient number, since it is larger than the sum of its proper divisors (24314075407).

121252200305 is a wasteful number, since it uses less digits than its factorization.

121252200305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10605895.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 121252200305 its reverse (503002252121), we get a palindrome (624254452426).

The spelling of 121252200305 in words is "one hundred twenty-one billion, two hundred fifty-two million, two hundred thousand, three hundred five".