342121123020 has 24 divisors (see below), whose sum is σ = 957939144624. Its totient is φ = 91232299456.

The previous prime is 342121123007. The next prime is 342121123067. The reversal of 342121123020 is 20321121243.

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, 2851009299 + ... + 2851009418.

It is an arithmetic number, because the mean of its divisors is an integer number (39914131026).

Almost surely, 2^342121123020 is an apocalyptic number.

342121123020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342121123020 is an abundant number, since it is smaller than the sum of its proper divisors (615818021604).

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

342121123020 is a wasteful number, since it uses less digits than its factorization.

342121123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5702018729 (or 5702018727 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 342121123020 its reverse (20321121243), we get a palindrome (362442244263).

The spelling of 342121123020 in words is "three hundred forty-two billion, one hundred twenty-one million, one hundred twenty-three thousand, twenty".