121982376203 has 2 divisors, whose sum is σ = 121982376204. Its totient is φ = 121982376202.

The previous prime is 121982376137. The next prime is 121982376209. The reversal of 121982376203 is 302673289121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121982376203 - 2¹² = 121982372107 is a prime.

It is not a weakly prime, because it can be changed into another prime (121982376209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60991188101 + 60991188102.

It is an arithmetic number, because the mean of its divisors is an integer number (60991188102).

Almost surely, 2^121982376203 is an apocalyptic number.

121982376203 is a deficient number, since it is larger than the sum of its proper divisors (1).

121982376203 is an equidigital number, since it uses as much as digits as its factorization.

121982376203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 121982376203 in words is "one hundred twenty-one billion, nine hundred eighty-two million, three hundred seventy-six thousand, two hundred three".