442245121342412 has 48 divisors (see below), whose sum is σ = 802176026789760. Its totient is φ = 213082035892992.

The previous prime is 442245121342363. The next prime is 442245121342429. The reversal of 442245121342412 is 214243121542244.

It is a self number, because there is not a number n which added to its sum of digits gives 442245121342412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138658973 + ... + 141812555.

It is an arithmetic number, because the mean of its divisors is an integer number (16712000558120).

Almost surely, 2^{442245121342412} is an apocalyptic number.

It is an amenable number.

442245121342412 is a deficient number, since it is larger than the sum of its proper divisors (359930905447348).

442245121342412 is a wasteful number, since it uses less digits than its factorization.

442245121342412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155970 (or 3155968 counting only the distinct ones).

The product of its digits is 491520, while the sum is 41.

Adding to 442245121342412 its reverse (214243121542244), we get a palindrome (656488242884656).

The spelling of 442245121342412 in words is "four hundred forty-two trillion, two hundred forty-five billion, one hundred twenty-one million, three hundred forty-two thousand, four hundred twelve".