42102121433312 has 24 divisors (see below), whose sum is σ = 82892523976416. Its totient is φ = 21050051852032.

The previous prime is 42102121433299. The next prime is 42102121433321. The reversal of 42102121433312 is 21333412120124.

It is a happy number.

It is a congruent 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, 30848648 + ... + 32184519.

It is an arithmetic number, because the mean of its divisors is an integer number (3453855165684).

Almost surely, 2^{42102121433312} is an apocalyptic number.

It is an amenable number.

42102121433312 is a deficient number, since it is larger than the sum of its proper divisors (40790402543104).

42102121433312 is a wasteful number, since it uses less digits than its factorization.

42102121433312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63054050 (or 63054042 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 42102121433312 its reverse (21333412120124), we get a palindrome (63435533553436).

The spelling of 42102121433312 in words is "forty-two trillion, one hundred two billion, one hundred twenty-one million, four hundred thirty-three thousand, three hundred twelve".