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120222221021112 = 23373312161959089
BaseRepresentation
bin11011010101011101101010…
…110001110010111110111000
3120202200010120021211112212210
4123111131222301302332320
5111224210102040133422
61103405154220335120
734215524465535240
oct3325355261627670
9522603507745783
10120222221021112
1135340a59641471
1211597a566a44a0
135210ba3305242
142198b023c6b20
15dd73c881610c
hex6d576ac72fb8

120222221021112 has 64 divisors (see below), whose sum is σ = 344529800582400. Its totient is φ = 34245431953920.

The previous prime is 120222221021107. The next prime is 120222221021129. The reversal of 120222221021112 is 211120122222021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080923937 + ... + 1081035152.

It is an arithmetic number, because the mean of its divisors is an integer number (5383278134100).

Almost surely, 2120222221021112 is an apocalyptic number.

120222221021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120222221021112 is an abundant number, since it is smaller than the sum of its proper divisors (224307579561288).

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

120222221021112 is a wasteful number, since it uses less digits than its factorization.

120222221021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161959436 (or 2161959432 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 120222221021112 its reverse (211120122222021), we get a palindrome (331342343243133).

The spelling of 120222221021112 in words is "one hundred twenty trillion, two hundred twenty-two billion, two hundred twenty-one million, twenty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 331 662 993 1324 1986 2317 2648 3972 4634 6951 7944 9268 13902 18536 27804 55608 2161959089 4323918178 6485877267 8647836356 12971754534 15133713623 17295672712 25943509068 30267427246 45401140869 51887018136 60534854492 90802281738 121069708984 181604563476 363209126952 715608458459 1431216916918 2146825375377 2862433833836 4293650750754 5009259209213 5724867667672 8587301501508 10018518418426 15027777627639 17174603003016 20037036836852 30055555255278 40074073673704 60111110510556 120222221021112