342120024021242 has 16 divisors (see below), whose sum is σ = 517883429822400. Its totient is φ = 169499015807520.

The previous prime is 342120024021221. The next prime is 342120024021253. The reversal of 342120024021242 is 242120420021243.

It is a super-2 number, since 2×342120024021242² (a number of 30 digits) contains 22 as substring.

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, 1700330942 + ... + 1700532137.

It is an arithmetic number, because the mean of its divisors is an integer number (32367714363900).

Almost surely, 2^{342120024021242} is an apocalyptic number.

342120024021242 is a deficient number, since it is larger than the sum of its proper divisors (175763405801158).

342120024021242 is a wasteful number, since it uses less digits than its factorization.

342120024021242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400863541.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 342120024021242 its reverse (242120420021243), we get a palindrome (584240444042485).

The spelling of 342120024021242 in words is "three hundred forty-two trillion, one hundred twenty billion, twenty-four million, twenty-one thousand, two hundred forty-two".