121416513203 has 2 divisors, whose sum is σ = 121416513204. Its totient is φ = 121416513202.

The previous prime is 121416513151. The next prime is 121416513221. The reversal of 121416513203 is 302315614121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121416513203 - 2¹⁴ = 121416496819 is a prime.

It is not a weakly prime, because it can be changed into another prime (121416513233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60708256601 + 60708256602.

It is an arithmetic number, because the mean of its divisors is an integer number (60708256602).

Almost surely, 2^121416513203 is an apocalyptic number.

121416513203 is a deficient number, since it is larger than the sum of its proper divisors (1).

121416513203 is an equidigital number, since it uses as much as digits as its factorization.

121416513203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 121416513203 in words is "one hundred twenty-one billion, four hundred sixteen million, five hundred thirteen thousand, two hundred three".