4512254124642 has 24 divisors (see below), whose sum is σ = 9919500804528. Its totient is φ = 1367349734520.

The previous prime is 4512254124641. The next prime is 4512254124661. The reversal of 4512254124642 is 2464214522154.

It is a junction number, because it is equal to n+sod(n) for n = 4512254124594 and 4512254124603.

It is not an unprimeable number, because it can be changed into a prime (4512254124641) 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, 3107612308 + ... + 3107613759.

It is an arithmetic number, because the mean of its divisors is an integer number (413312533522).

Almost surely, 2^{4512254124642} is an apocalyptic number.

4512254124642 is an abundant number, since it is smaller than the sum of its proper divisors (5407246679886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4512254124642 is a wasteful number, since it uses less digits than its factorization.

4512254124642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215226094 (or 6215226083 counting only the distinct ones).

The product of its digits is 614400, while the sum is 42.

Adding to 4512254124642 its reverse (2464214522154), we get a palindrome (6976468646796).

The spelling of 4512254124642 in words is "four trillion, five hundred twelve billion, two hundred fifty-four million, one hundred twenty-four thousand, six hundred forty-two".