1244133212042 has 16 divisors (see below), whose sum is σ = 2132861481792. Its totient is φ = 533184525600.

The previous prime is 1244133212033. The next prime is 1244133212057. The reversal of 1244133212042 is 2402123314421.

It is a junction number, because it is equal to n+sod(n) for n = 1244133211996 and 1244133212014.

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, 776963 + ... + 1758390.

It is an arithmetic number, because the mean of its divisors is an integer number (133303842612).

Almost surely, 2^{1244133212042} is an apocalyptic number.

1244133212042 is a deficient number, since it is larger than the sum of its proper divisors (888728269750).

1244133212042 is a wasteful number, since it uses less digits than its factorization.

1244133212042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570413.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1244133212042 its reverse (2402123314421), we get a palindrome (3646256526463).

The spelling of 1244133212042 in words is "one trillion, two hundred forty-four billion, one hundred thirty-three million, two hundred twelve thousand, forty-two".