121200488995103 has 8 divisors (see below), whose sum is σ = 141341678128800. Its totient is φ = 103886133424080.

The previous prime is 121200488995031. The next prime is 121200488995111. The reversal of 121200488995103 is 301599884002121.

It is not a de Polignac number, because 121200488995103 - 2¹² = 121200488991007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200488995163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176677097318 + ... + 176677098003.

It is an arithmetic number, because the mean of its divisors is an integer number (17667709766100).

Almost surely, 2^{121200488995103} is an apocalyptic number.

121200488995103 is a deficient number, since it is larger than the sum of its proper divisors (20141189133697).

121200488995103 is an frugal number, since it uses more digits than its factorization.

121200488995103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353354195342 (or 353354195328 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 121200488995103 in words is "one hundred twenty-one trillion, two hundred billion, four hundred eighty-eight million, nine hundred ninety-five thousand, one hundred three".