242420122142 has 16 divisors (see below), whose sum is σ = 396741395952. Its totient is φ = 110175985920.

The previous prime is 242420122123. The next prime is 242420122183. The reversal of 242420122142 is 241221024242.

It is a congruent number.

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, 582593 + ... + 907884.

It is an arithmetic number, because the mean of its divisors is an integer number (24796337247).

Almost surely, 2^242420122142 is an apocalyptic number.

242420122142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242420122142 is a deficient number, since it is larger than the sum of its proper divisors (154321273810).

242420122142 is a wasteful number, since it uses less digits than its factorization.

242420122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497883.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 242420122142 its reverse (241221024242), we get a palindrome (483641146384).

The spelling of 242420122142 in words is "two hundred forty-two billion, four hundred twenty million, one hundred twenty-two thousand, one hundred forty-two".