121202260163251 has 2 divisors, whose sum is σ = 121202260163252. Its totient is φ = 121202260163250.

The previous prime is 121202260163107. The next prime is 121202260163261. The reversal of 121202260163251 is 152361062202121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121202260163251 - 2¹³ = 121202260155059 is a prime.

It is not a weakly prime, because it can be changed into another prime (121202260163261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601130081625 + 60601130081626.

It is an arithmetic number, because the mean of its divisors is an integer number (60601130081626).

Almost surely, 2^{121202260163251} is an apocalyptic number.

121202260163251 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202260163251 is an equidigital number, since it uses as much as digits as its factorization.

121202260163251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 121202260163251 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred sixty million, one hundred sixty-three thousand, two hundred fifty-one".