42120144122104 has 32 divisors (see below), whose sum is σ = 80914901079600. Its totient is φ = 20543007386880.

The previous prime is 42120144122093. The next prime is 42120144122117. The reversal of 42120144122104 is 40122144102124.

It is a super-2 number, since 2×42120144122104² (a number of 28 digits) contains 22 as substring.

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, 8655534 + ... + 12615805.

Almost surely, 2^{42120144122104} is an apocalyptic number.

It is an amenable number.

42120144122104 is a deficient number, since it is larger than the sum of its proper divisors (38794756957496).

42120144122104 is a wasteful number, since it uses less digits than its factorization.

42120144122104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21277423 (or 21277419 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 42120144122104 its reverse (40122144102124), we get a palindrome (82242288224228).

The spelling of 42120144122104 in words is "forty-two trillion, one hundred twenty billion, one hundred forty-four million, one hundred twenty-two thousand, one hundred four".