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120020122212 = 22310001676851
BaseRepresentation
bin110111111000111000…
…0011011101001100100
3102110210102000220222120
41233301300123221210
53431300122402322
6131045251425540
711446132130514
oct1576160335144
9373712026876
10120020122212
114699a259251
121b3165b52b0
13b4194112c3
145b47ca3844
1531c6b2ca5c
hex1bf1c1ba64

120020122212 has 12 divisors (see below), whose sum is σ = 280046951856. Its totient is φ = 40006707400.

The previous prime is 120020122177. The next prime is 120020122217. The reversal of 120020122212 is 212221020021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 120020122191 and 120020122200.

It is not an unprimeable number, because it can be changed into a prime (120020122217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000838414 + ... + 5000838437.

It is an arithmetic number, because the mean of its divisors is an integer number (23337245988).

Almost surely, 2120020122212 is an apocalyptic number.

120020122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120020122212 is an abundant number, since it is smaller than the sum of its proper divisors (160026829644).

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

120020122212 is a wasteful number, since it uses less digits than its factorization.

120020122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001676858 (or 10001676856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120020122212 its reverse (212221020021), we get a palindrome (332241142233).

The spelling of 120020122212 in words is "one hundred twenty billion, twenty million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 10001676851 20003353702 30005030553 40006707404 60010061106 120020122212