121202412130081 has 2 divisors, whose sum is σ = 121202412130082. Its totient is φ = 121202412130080.

The previous prime is 121202412130043. The next prime is 121202412130109. The reversal of 121202412130081 is 180031214202121.

It is an a-pointer prime, because the next prime (121202412130109) can be obtained adding 121202412130081 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87068587413025 + 34133824717056 = 9331055^2 + 5842416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121202412130081 is a prime.

It is a super-2 number, since 2×121202412130081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121202412130981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601206065040 + 60601206065041.

It is an arithmetic number, because the mean of its divisors is an integer number (60601206065041).

Almost surely, 2^{121202412130081} is an apocalyptic number.

It is an amenable number.

121202412130081 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202412130081 is an equidigital number, since it uses as much as digits as its factorization.

121202412130081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

The spelling of 121202412130081 in words is "one hundred twenty-one trillion, two hundred two billion, four hundred twelve million, one hundred thirty thousand, eighty-one".