1201340142424 has 8 divisors (see below), whose sum is σ = 2252512767060. Its totient is φ = 600670071208.

The previous prime is 1201340142407. The next prime is 1201340142439. The reversal of 1201340142424 is 4242410431021.

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

It is a junction number, because it is equal to n+sod(n) for n = 1201340142392 and 1201340142401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75083758894 + ... + 75083758909.

Almost surely, 2^{1201340142424} is an apocalyptic number.

It is an amenable number.

1201340142424 is a deficient number, since it is larger than the sum of its proper divisors (1051172624636).

1201340142424 is a wasteful number, since it uses less digits than its factorization.

1201340142424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150167517809 (or 150167517805 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1201340142424 its reverse (4242410431021), we get a palindrome (5443750573445).

The spelling of 1201340142424 in words is "one trillion, two hundred one billion, three hundred forty million, one hundred forty-two thousand, four hundred twenty-four".