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120222012012 = 22328973458233
BaseRepresentation
bin110111111110111001…
…0100101001001101100
3102111022110220222201120
41233331302211021230
53432203313341022
6131121302540540
711454133145514
oct1577562451154
9374273828646
10120222012012
1146a93212023
121b372137750
13b44c1aa81b
145b66a18844
1531d970bd5c
hex1bfdca526c

120222012012 has 24 divisors (see below), whose sum is σ = 280614939696. Its totient is φ = 40060159488.

The previous prime is 120222012011. The next prime is 120222012019. The reversal of 120222012012 is 210210222021.

It is a junction number, because it is equal to n+sod(n) for n = 120222011982 and 120222012000.

It is not an unprimeable number, because it can be changed into a prime (120222012011) 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, 1694353 + ... + 1763880.

It is an arithmetic number, because the mean of its divisors is an integer number (11692289154).

Almost surely, 2120222012012 is an apocalyptic number.

120222012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120222012012 is an abundant number, since it is smaller than the sum of its proper divisors (160392927684).

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

120222012012 is a wasteful number, since it uses less digits than its factorization.

120222012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461137 (or 3461135 counting only the distinct ones).

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

Adding to 120222012012 its reverse (210210222021), we get a palindrome (330432234033).

The spelling of 120222012012 in words is "one hundred twenty billion, two hundred twenty-two million, twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 2897 5794 8691 11588 17382 34764 3458233 6916466 10374699 13832932 20749398 41498796 10018501001 20037002002 30055503003 40074004004 60111006006 120222012012