13012121035 has 4 divisors (see below), whose sum is σ = 15614545248. Its totient is φ = 10409696824.

The previous prime is 13012120991. The next prime is 13012121051. The reversal of 13012121035 is 53012121031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53012121031 = 1033 ⋅51318607.

It is a cyclic number.

It is not a de Polignac number, because 13012121035 - 2¹³ = 13012112843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301212099 + ... + 1301212108.

It is an arithmetic number, because the mean of its divisors is an integer number (3903636312).

Almost surely, 2^13012121035 is an apocalyptic number.

13012121035 is a deficient number, since it is larger than the sum of its proper divisors (2602424213).

13012121035 is an equidigital number, since it uses as much as digits as its factorization.

13012121035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602424212.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 13012121035 its reverse (53012121031), we get a palindrome (66024242066).

The spelling of 13012121035 in words is "thirteen billion, twelve million, one hundred twenty-one thousand, thirty-five".