1342220423442 has 16 divisors (see below), whose sum is σ = 2684533561920. Its totient is φ = 447391355312.

The previous prime is 1342220423419. The next prime is 1342220423443. The reversal of 1342220423442 is 2443240222431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1342220423443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3674217 + ... + 4022972.

It is an arithmetic number, because the mean of its divisors is an integer number (167783347620).

Almost surely, 2^{1342220423442} is an apocalyptic number.

1342220423442 is an abundant number, since it is smaller than the sum of its proper divisors (1342313138478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1342220423442 is a wasteful number, since it uses less digits than its factorization.

1342220423442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726257.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 1342220423442 its reverse (2443240222431), we get a palindrome (3785460645873).

The spelling of 1342220423442 in words is "one trillion, three hundred forty-two billion, two hundred twenty million, four hundred twenty-three thousand, four hundred forty-two".