42102121433132 has 24 divisors (see below), whose sum is σ = 74324049251760. Its totient is φ = 20867420770880.

The previous prime is 42102121433081. The next prime is 42102121433201. The reversal of 42102121433132 is 23133412120124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42102121433095 and 42102121433104.

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, 92520419 + ... + 92974362.

It is an arithmetic number, because the mean of its divisors is an integer number (3096835385490).

Almost surely, 2^{42102121433132} is an apocalyptic number.

It is an amenable number.

42102121433132 is a deficient number, since it is larger than the sum of its proper divisors (32221927818628).

42102121433132 is a wasteful number, since it uses less digits than its factorization.

42102121433132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185495281 (or 185495279 counting only the distinct ones).

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

Adding to 42102121433132 its reverse (23133412120124), we get a palindrome (65235533553256).

The spelling of 42102121433132 in words is "forty-two trillion, one hundred two billion, one hundred twenty-one million, four hundred thirty-three thousand, one hundred thirty-two".