2121173410032 has 120 divisors (see below), whose sum is σ = 5962657576304. Its totient is φ = 703929802752.

The previous prime is 2121173410019. The next prime is 2121173410093. The reversal of 2121173410032 is 2300143711212.

2121173410032 is a `hidden beast` number, since 2 + 1 + 211 + 7 + 3 + 410 + 0 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2121173409978 and 2121173410005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30957603 + ... + 31026045.

Almost surely, 2^{2121173410032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2121173410032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2981328788152).

2121173410032 is an abundant number, since it is smaller than the sum of its proper divisors (3841484166272).

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

2121173410032 is a wasteful number, since it uses less digits than its factorization.

2121173410032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69407 (or 69398 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 2121173410032 in words is "two trillion, one hundred twenty-one billion, one hundred seventy-three million, four hundred ten thousand, thirty-two".