121488036013 has 2 divisors, whose sum is σ = 121488036014. Its totient is φ = 121488036012.

The previous prime is 121488035987. The next prime is 121488036073. The reversal of 121488036013 is 310630884121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99844624324 + 21643411689 = 315982^2 + 147117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121488036013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121488036073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60744018006 + 60744018007.

It is an arithmetic number, because the mean of its divisors is an integer number (60744018007).

Almost surely, 2^121488036013 is an apocalyptic number.

It is an amenable number.

121488036013 is a deficient number, since it is larger than the sum of its proper divisors (1).

121488036013 is an equidigital number, since it uses as much as digits as its factorization.

121488036013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 121488036013 in words is "one hundred twenty-one billion, four hundred eighty-eight million, thirty-six thousand, thirteen".