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120020221012 = 22179495133857
BaseRepresentation
bin110111111000111000…
…0110011110001010100
3102110210102012221111211
41233301300303301110
53431300134033022
6131045253511204
711446133021536
oct1576160636124
9373712187454
10120020221012
114699a3164aa
121b316642504
13b419447273
145b47ccb856
1531c6b4be77
hex1bf1c33c54

120020221012 has 24 divisors (see below), whose sum is σ = 211257668160. Its totient is φ = 59661043200.

The previous prime is 120020220941. The next prime is 120020221031. The reversal of 120020221012 is 210122020021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120020220983 and 120020221001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3527988 + ... + 3561844.

It is an arithmetic number, because the mean of its divisors is an integer number (8802402840).

Almost surely, 2120020221012 is an apocalyptic number.

It is an amenable number.

120020221012 is a deficient number, since it is larger than the sum of its proper divisors (91237447148).

120020221012 is a wasteful number, since it uses less digits than its factorization.

120020221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38991 (or 38989 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120020221012 its reverse (210122020021), we get a palindrome (330142241033).

The spelling of 120020221012 in words is "one hundred twenty billion, twenty million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 4 179 358 716 4951 9902 19804 33857 67714 135428 886229 1772458 3544916 6060403 12120806 24241612 167626007 335252014 670504028 30005055253 60010110506 120020221012