124002500111213 has 16 divisors (see below), whose sum is σ = 128440943492400. Its totient is φ = 119574976281600.

The previous prime is 124002500111209. The next prime is 124002500111249. The reversal of 124002500111213 is 312111005200421.

It can be written as a sum of positive squares in 8 ways, for example, as 17169976206889 + 106832523904324 = 4143667^2 + 10335982^2 .

It is a cyclic number.

It is not a de Polignac number, because 124002500111213 - 2² = 124002500111209 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 (124002500161213) 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, 79649195 + ... + 81191127.

It is an arithmetic number, because the mean of its divisors is an integer number (8027558968275).

Almost surely, 2^{124002500111213} is an apocalyptic number.

It is an amenable number.

124002500111213 is a deficient number, since it is larger than the sum of its proper divisors (4438443381187).

124002500111213 is a wasteful number, since it uses less digits than its factorization.

124002500111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545472.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 124002500111213 its reverse (312111005200421), we get a palindrome (436113505311634).

The spelling of 124002500111213 in words is "one hundred twenty-four trillion, two billion, five hundred million, one hundred eleven thousand, two hundred thirteen".