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120012012222 = 23128991550663
BaseRepresentation
bin110111111000101000…
…1011111101010111110
3102110202211202220011120
41233301101133222332
53431241033342342
6131044401531410
711446003162314
oct1576121375276
9373684686146
10120012012222
114699571a083
121b313943b66
13b417831aab
145b46b920b4
1531c6079aec
hex1bf145fabe

120012012222 has 16 divisors (see below), whose sum is σ = 240042787200. Its totient is φ = 40000876952.

The previous prime is 120012012203. The next prime is 120012012229. The reversal of 120012012222 is 222210210021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012012229) 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, 697938 + ... + 852725.

It is an arithmetic number, because the mean of its divisors is an integer number (15002674200).

Almost surely, 2120012012222 is an apocalyptic number.

120012012222 is an abundant number, since it is smaller than the sum of its proper divisors (120030774978).

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

120012012222 is a wasteful number, since it uses less digits than its factorization.

120012012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563567.

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

Adding to 120012012222 its reverse (222210210021), we get a palindrome (342222222243).

The spelling of 120012012222 in words is "one hundred twenty billion, twelve million, twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 12899 25798 38697 77394 1550663 3101326 4651989 9303978 20002002037 40004004074 60006006111 120012012222