1001213142344 has 8 divisors (see below), whose sum is σ = 1877274641910. Its totient is φ = 500606571168.

The previous prime is 1001213142287. The next prime is 1001213142353. The reversal of 1001213142344 is 4432413121001.

It can be written as a sum of positive squares in only one way, i.e., 1000420044100 + 793098244 = 1000210^2 + 28162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62575821389 + ... + 62575821404.

Almost surely, 2^{1001213142344} is an apocalyptic number.

It is an amenable number.

1001213142344 is a deficient number, since it is larger than the sum of its proper divisors (876061499566).

1001213142344 is a wasteful number, since it uses less digits than its factorization.

1001213142344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125151642799 (or 125151642795 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1001213142344 its reverse (4432413121001), we get a palindrome (5433626263345).

The spelling of 1001213142344 in words is "one trillion, one billion, two hundred thirteen million, one hundred forty-two thousand, three hundred forty-four".