121223000141357 has 2 divisors, whose sum is σ = 121223000141358. Its totient is φ = 121223000141356.

The previous prime is 121223000141303. The next prime is 121223000141371. The reversal of 121223000141357 is 753141000322121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120372078759241 + 850921382116 = 10971421^2 + 922454^2 .

It is an emirp because it is prime and its reverse (753141000322121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121223000141357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121223000147357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611500070678 + 60611500070679.

It is an arithmetic number, because the mean of its divisors is an integer number (60611500070679).

Almost surely, 2^{121223000141357} is an apocalyptic number.

It is an amenable number.

121223000141357 is a deficient number, since it is larger than the sum of its proper divisors (1).

121223000141357 is an equidigital number, since it uses as much as digits as its factorization.

121223000141357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 121223000141357 its reverse (753141000322121), we get a palindrome (874364000463478).

The spelling of 121223000141357 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, one hundred forty-one thousand, three hundred fifty-seven".