100242120543412 has 24 divisors (see below), whose sum is σ = 176622498057600. Its totient is φ = 49779656329536.

The previous prime is 100242120543407. The next prime is 100242120543443. The reversal of 100242120543412 is 214345021242001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137969833 + ... + 138694480.

It is an arithmetic number, because the mean of its divisors is an integer number (7359270752400).

Almost surely, 2^{100242120543412} is an apocalyptic number.

It is an amenable number.

100242120543412 is a deficient number, since it is larger than the sum of its proper divisors (76380377514188).

100242120543412 is a wasteful number, since it uses less digits than its factorization.

100242120543412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276664935 (or 276664933 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 100242120543412 its reverse (214345021242001), we get a palindrome (314587141785413).

The spelling of 100242120543412 in words is "one hundred trillion, two hundred forty-two billion, one hundred twenty million, five hundred forty-three thousand, four hundred twelve".