42122420111312 has 40 divisors (see below), whose sum is σ = 83351138400000. Its totient is φ = 20612476007552.

The previous prime is 42122420111309. The next prime is 42122420111329. The reversal of 42122420111312 is 21311102422124.

It is a super-2 number, since 2×42122420111312² (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, 24549389 + ... + 26209107.

It is an arithmetic number, because the mean of its divisors is an integer number (2083778460000).

Almost surely, 2^{42122420111312} is an apocalyptic number.

It is an amenable number.

42122420111312 is a deficient number, since it is larger than the sum of its proper divisors (41228718288688).

42122420111312 is a wasteful number, since it uses less digits than its factorization.

42122420111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693523 (or 1693517 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 42122420111312 its reverse (21311102422124), we get a palindrome (63433522533436).

The spelling of 42122420111312 in words is "forty-two trillion, one hundred twenty-two billion, four hundred twenty million, one hundred eleven thousand, three hundred twelve".