121301213029 has 2 divisors, whose sum is σ = 121301213030. Its totient is φ = 121301213028.

The previous prime is 121301212961. The next prime is 121301213051. The reversal of 121301213029 is 920312103121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112209590529 + 9091622500 = 334977^2 + 95350^2 .

It is a cyclic number.

It is not a de Polignac number, because 121301213029 - 2¹³ = 121301204837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121301212994 and 121301213012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121301213329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650606514 + 60650606515.

It is an arithmetic number, because the mean of its divisors is an integer number (60650606515).

Almost surely, 2^121301213029 is an apocalyptic number.

It is an amenable number.

121301213029 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301213029 is an equidigital number, since it uses as much as digits as its factorization.

121301213029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 121301213029 in words is "one hundred twenty-one billion, three hundred one million, two hundred thirteen thousand, twenty-nine".