2172030981120 has 3168 divisors, whose sum is σ = 10654448313600. Its totient is φ = 403174195200.

The previous prime is 2172030981101. The next prime is 2172030981137. The reversal of 2172030981120 is 211890302712.

2172030981120 is a `hidden beast` number, since 217 + 20 + 309 + 8 + 112 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 70065515505 + ... + 70065515535.

Almost surely, 2^{2172030981120} is an apocalyptic number.

2172030981120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2172030981120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5327224156800).

2172030981120 is an abundant number, since it is smaller than the sum of its proper divisors (8482417332480).

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

2172030981120 is a wasteful number, since it uses less digits than its factorization.

2172030981120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 2172030981120 in words is "two trillion, one hundred seventy-two billion, thirty million, nine hundred eighty-one thousand, one hundred twenty".