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120010320021 = 3187012139107
BaseRepresentation
bin110111111000100101…
…1000010100010010101
3102110202201120220220110
41233301023002202111
53431240120220041
6131044301353233
711445652613634
oct1576113024225
9373681526813
10120010320021
1146994773769
121b313268819
13b41738b7a7
145b4687151b
1531c5d43516
hex1bf12c2895

120010320021 has 8 divisors (see below), whose sum is σ = 160022391264. Its totient is φ = 80002564400.

The previous prime is 120010320019. The next prime is 120010320041. The reversal of 120010320021 is 120023010021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120010320021 - 21 = 120010320019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120010319979 and 120010320006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120010320041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013451 + ... + 1125656.

It is an arithmetic number, because the mean of its divisors is an integer number (20002798908).

Almost surely, 2120010320021 is an apocalyptic number.

It is an amenable number.

120010320021 is a deficient number, since it is larger than the sum of its proper divisors (40012071243).

120010320021 is a wasteful number, since it uses less digits than its factorization.

120010320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157811.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 120010320021 its reverse (120023010021), we get a palindrome (240033330042).

The spelling of 120010320021 in words is "one hundred twenty billion, ten million, three hundred twenty thousand, twenty-one".

Divisors: 1 3 18701 56103 2139107 6417321 40003440007 120010320021