121434025351349 has 2 divisors, whose sum is σ = 121434025351350. Its totient is φ = 121434025351348.

The previous prime is 121434025351337. The next prime is 121434025351357. The reversal of 121434025351349 is 943153520434121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120027472047025 + 1406553304324 = 10955705^2 + 1185982^2 .

It is a cyclic number.

It is not a de Polignac number, because 121434025351349 - 2⁴ = 121434025351333 is a prime.

It is a super-2 number, since 2×121434025351349² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121434025351319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60717012675674 + 60717012675675.

It is an arithmetic number, because the mean of its divisors is an integer number (60717012675675).

Almost surely, 2^{121434025351349} is an apocalyptic number.

It is an amenable number.

121434025351349 is a deficient number, since it is larger than the sum of its proper divisors (1).

121434025351349 is an equidigital number, since it uses as much as digits as its factorization.

121434025351349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 121434025351349 in words is "one hundred twenty-one trillion, four hundred thirty-four billion, twenty-five million, three hundred fifty-one thousand, three hundred forty-nine".