121232043013 has 2 divisors, whose sum is σ = 121232043014. Its totient is φ = 121232043012.

The previous prime is 121232042989. The next prime is 121232043019. The reversal of 121232043013 is 310340232121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67318453764 + 53913589249 = 259458^2 + 232193^2 .

It is a cyclic number.

It is not a de Polignac number, because 121232043013 - 2²⁵ = 121198488581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121232043019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616021506 + 60616021507.

It is an arithmetic number, because the mean of its divisors is an integer number (60616021507).

Almost surely, 2^121232043013 is an apocalyptic number.

It is an amenable number.

121232043013 is a deficient number, since it is larger than the sum of its proper divisors (1).

121232043013 is an equidigital number, since it uses as much as digits as its factorization.

121232043013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121232043013 its reverse (310340232121), we get a palindrome (431572275134).

The spelling of 121232043013 in words is "one hundred twenty-one billion, two hundred thirty-two million, forty-three thousand, thirteen".