42240022012125 has 48 divisors (see below), whose sum is σ = 87022491079680. Its totient is φ = 19309724344800.

The previous prime is 42240022012103. The next prime is 42240022012129. The reversal of 42240022012125 is 52121022004224.

42240022012125 is a `hidden beast` number, since 4 + 2 + 2 + 400 + 220 + 12 + 1 + 25 = 666.

It is not a de Polignac number, because 42240022012125 - 2⁹ = 42240022011613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42240022012129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2681898285 + ... + 2681914034.

It is an arithmetic number, because the mean of its divisors is an integer number (1812968564160).

Almost surely, 2^{42240022012125} is an apocalyptic number.

42240022012125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42240022012125 is an abundant number, since it is smaller than the sum of its proper divisors (44782469067555).

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

42240022012125 is a wasteful number, since it uses less digits than its factorization.

42240022012125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363812347 (or 5363812334 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 42240022012125 its reverse (52121022004224), we get a palindrome (94361044016349).

The spelling of 42240022012125 in words is "forty-two trillion, two hundred forty billion, twenty-two million, twelve thousand, one hundred twenty-five".