42145415122412 has 12 divisors (see below), whose sum is σ = 84290830244880. Its totient is φ = 18062320766736.

The previous prime is 42145415122331. The next prime is 42145415122441. The reversal of 42145415122412 is 21422151454124.

42145415122412 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752596698587 + ... + 752596698642.

It is an arithmetic number, because the mean of its divisors is an integer number (7024235853740).

Almost surely, 2^{42145415122412} is an apocalyptic number.

It is an amenable number.

42145415122412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42145415122412 is a wasteful number, since it uses less digits than its factorization.

42145415122412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505193397240 (or 1505193397238 counting only the distinct ones).

The product of its digits is 102400, while the sum is 38.

Adding to 42145415122412 its reverse (21422151454124), we get a palindrome (63567566576536).

The spelling of 42145415122412 in words is "forty-two trillion, one hundred forty-five billion, four hundred fifteen million, one hundred twenty-two thousand, four hundred twelve".