123224012001 has 12 divisors (see below), whose sum is σ = 178651916820. Its totient is φ = 81843951840.

The previous prime is 123224011961. The next prime is 123224012017. The reversal of 123224012001 is 100210422321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12814013601 + 110409998400 = 113199^2 + 332280^2 .

It is not a de Polignac number, because 123224012001 - 2¹⁰ = 123224010977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123214012001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25446570 + ... + 25451411.

It is an arithmetic number, because the mean of its divisors is an integer number (14887659735).

Almost surely, 2^123224012001 is an apocalyptic number.

It is an amenable number.

123224012001 is a deficient number, since it is larger than the sum of its proper divisors (55427904819).

123224012001 is a wasteful number, since it uses less digits than its factorization.

123224012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50898256 (or 50898253 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 123224012001 its reverse (100210422321), we get a palindrome (223434434322).

The spelling of 123224012001 in words is "one hundred twenty-three billion, two hundred twenty-four million, twelve thousand, one".