10121123013 has 8 divisors (see below), whose sum is σ = 13495380576. Its totient is φ = 6747140400.

The previous prime is 10121122981. The next prime is 10121123029. The reversal of 10121123013 is 31032112101.

It is a happy number.

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

It is not a de Polignac number, because 10121123013 - 2⁵ = 10121122981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10121122983 and 10121123001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121123063) 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, 43198 + ... + 148688.

It is an arithmetic number, because the mean of its divisors is an integer number (1686922572).

Almost surely, 2^10121123013 is an apocalyptic number.

It is an amenable number.

10121123013 is a deficient number, since it is larger than the sum of its proper divisors (3374257563).

10121123013 is a wasteful number, since it uses less digits than its factorization.

10121123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137475.

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

Adding to 10121123013 its reverse (31032112101), we get a palindrome (41153235114).

The spelling of 10121123013 in words is "ten billion, one hundred twenty-one million, one hundred twenty-three thousand, thirteen".