121513000141 has 16 divisors (see below), whose sum is σ = 131987920176. Its totient is φ = 111203168256.

The previous prime is 121513000117. The next prime is 121513000153. The reversal of 121513000141 is 141000315121.

It can be written as a sum of positive squares in 8 ways, for example, as 2105433225 + 119407566916 = 45885^2 + 345554^2 .

It is a cyclic number.

It is not a de Polignac number, because 121513000141 - 2²³ = 121504611533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121513000241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652491 + ... + 817783.

It is an arithmetic number, because the mean of its divisors is an integer number (8249245011).

Almost surely, 2^121513000141 is an apocalyptic number.

It is an amenable number.

121513000141 is a deficient number, since it is larger than the sum of its proper divisors (10474920035).

121513000141 is a wasteful number, since it uses less digits than its factorization.

121513000141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165792.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 121513000141 its reverse (141000315121), we get a palindrome (262513315262).

The spelling of 121513000141 in words is "one hundred twenty-one billion, five hundred thirteen million, one hundred forty-one", and thus it is an aban number.