1342123433220 has 24 divisors (see below), whose sum is σ = 3757945613184. Its totient is φ = 357899582176.

The previous prime is 1342123433201. The next prime is 1342123433257. The reversal of 1342123433220 is 223343212431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11184361884 + ... + 11184362003.

It is an arithmetic number, because the mean of its divisors is an integer number (156581067216).

Almost surely, 2^{1342123433220} is an apocalyptic number.

1342123433220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342123433220 is an abundant number, since it is smaller than the sum of its proper divisors (2415822179964).

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

1342123433220 is a wasteful number, since it uses less digits than its factorization.

1342123433220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22368723899 (or 22368723897 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1342123433220 its reverse (223343212431), we get a palindrome (1565466645651).

The spelling of 1342123433220 in words is "one trillion, three hundred forty-two billion, one hundred twenty-three million, four hundred thirty-three thousand, two hundred twenty".