13011012123 has 8 divisors (see below), whose sum is σ = 17348963136. Its totient is φ = 8673534600.

The previous prime is 13011012103. The next prime is 13011012143. The reversal of 13011012123 is 32121011031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13011012103) and next prime (13011012143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13011012123 - 2¹² = 13011008027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13011012103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48333 + ... + 168398.

It is an arithmetic number, because the mean of its divisors is an integer number (2168620392).

Almost surely, 2^13011012123 is an apocalyptic number.

13011012123 is a deficient number, since it is larger than the sum of its proper divisors (4337951013).

13011012123 is a wasteful number, since it uses less digits than its factorization.

13011012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236745.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13011012123 its reverse (32121011031), we get a palindrome (45132023154).

The spelling of 13011012123 in words is "thirteen billion, eleven million, twelve thousand, one hundred twenty-three".